轉(zhuǎn)載自：數(shù)學(xué)的美學(xué)世界-人人小站

Symbols?

+	plus	/'pl?s/
-	minus	/'ma?n?s/
±	plus or minus	/'pl?s? ?:??'ma?n?s/
x	multiplied by	/'m?lt?pla?d ba?/
/	over; divided by	/'??v?/ /d?'va?d?d/
÷	divided	/d?'va?d?d/
=	equals	/'?:kw?lz/
≈	approximately, similar	/?'pr?ks?m?tl?/ /'s?m?l? t?/
≡	equivalent to;?identical	/?k'w?v?l?nt t?/ /a?'dent?kl t?/
≠?	not equal to	/'n?t 'i?kw?l t?/
>?	greater than	/'gre?t? e?n/
<?	less than	/'les e?n/
≥?	greater than or equal to	/'gre?t? e?n??r 'i?kw?l t?/
≤?	less than or equal to	/'les e?n??r' i?kw?l t?/
?	not greater than	/'n?t 'gre?t? e?n/
?	not less than	/'n?t 'les e?n/
?	much greater than	/'m?? 'gre?t? e?n/
?	much less than	/'m?? 'les e?n/
⊥	perpendicular to	/p??p?n'd?kj?l? t?/
∣∣	parallel to	/'p?r?lel t?/
?	not equivalent to, not identical to	/'n?t ?k'w?v?l?nt t?/ /'n?t a?'dent?kl t?/
??	not similar to	/'n?t 's?m?l? t?/
2	squared	/'skwe?d/
3	cubed	/'kju:bd/
4	to the fourth;? to the power four	/t? e? 'f??θ/ /te e? 'pɑ?? f??/
n	?to the n; to the nth;?to the power n	/t? e? en; t? d? enθ; t? e? pɑ??r en/
√	root;?square root	/ru:t/ /skwe? ru:t/
?	cube root	/kju:b ru:t/
?	fourth root?	/f??θ ru?t/
!	factorial	/f?k't??r??l/
%	percent	/p?'sent/
∞	infinity	/?n'f?n?t?/
∝	varies as;?proportional to	/'v??r?z/??/pr?'p????n?l/
˙	dot	/d?t/
¨	double dot	/d?bl d?t/
:	is to, ratio of	/re?????/
f(x) fx	f;?function	/ef/ /'f??k??n/
f'(x)	f dash; derivative?	/d??/ /d?'r?v?t?v/
f''x	f double-dash;?second derivative	/'d?bl d??/ /'sek?nd d?'r?v?t?v/
f'''(x)	f triple-dash; f treble-dash;?third derivative	/'tr?pl d??/ / trebl d??/ /θ?:d d?'r?v?t?v/
f(4)	f four;?fourth derivative?	/f??θ d?'r?v?t?v/
?	partial derivative, delta	/pa???l d?'r?v?t?v/ /delt?/
∫	integral	/'?nt?gr?l/
∑	sum	/s?m/
w.r.t.	with respect to	/w?e 'r?spekt/
log	log?	/l?g/
log?x	log to the base 2 of x	/l?g t? e? be?s tu: ?v eks/
∴	therefore	/'e??f??/
∵	because	/b?'k?z/
→	gives, leads to, approaches	/g?vz/ /li:dz t?/ /?pr????z/
/	per	/p?:/
∈	belongs to; a member of;? an element of	/b?'l??z/ /'memb?/ /'el?m?nt/
?	does not belong to;?is not a member of; is not an element of	/n?t?b?'l??/ /n?t ? 'memb?/ /n?t ?n 'el?m?nt/
?	contained in;??a proper subset of	/k?n'te?nd ?n/ /'pr?p? 's?bset/
?	contained in;?subset?	/'s?bset/
?	intersection	/'?nt?sek??n/
?	union	/'ju?n??n/
?	for all	/f? r?:l/
cos x	cos x; cosine x	/k?z/
sin x	sine x	/sa?n/
tan x	tangent x	/tan/
cosec x	cosec x	/'k??sek/
sinh x	shine x	/'?a?n/
cosh x	cosh x	/'k??/
tanh x	than x	/θ?n/
|x|	mod x; modulus x	/m?d/ /'m?dj?l?s/
℃	degrees Centigrade	/d?'gri:z 'sent?gre?d/
℉	degrees Fahrenheit	/d?'gri:z 'f?r?nha?t/
°K	degrees Kelvin	/d?'gri:z 'kelv?n/
0°K, –273.15 °C	absolute zero	/abs?lu:t zi:r??/
mm	millimetre	/'m?l?mi?t?/
cm	centimetre	/'sent?mi?t?/
cc, cm3	cubic centimetre, centimetre cubed	/'kju?b?k 'sent?mi?t?/?/'sent?mi?t??'kju:bd/
m	metre	/'mi?t?/
km	kilometre	/k?'l?m?t?/
mg	milligram	/'m?l?gr?m/
g	gram	/gr?m/
kg	kilogram	/'k?l?gr?m/
AC	A.C.	/e? si:/
DC	D.C.	/di: si:/?

Examples?

x + 1	x plus one
x -1	x minus one
x ± 1	x plus or minus one
xy	x y;??x times y; x multiplied by y
(x — y)(x + y)	?x minus y, x plus y
x/y	x over y;? x divided by y;
x ÷ y	x divided by y
x = 5	x equals 5;? x is equal to 5
x ≈ y	x is approximately equal to y
x?≡ y	x is equivalent to y;? x is identical with y
x ≠ y	x is not equal to y
x > y	?x is greater than y
x < y	?x is less than y
x?≥ y	x is greater than or equal to y
x ≤ y	x is less than or equal to y
0 < x < 1	zero is less than x is less than 1; x is greater than zero and less than 1
0 ≤ x?≤ 1	zero is less than or equal to x is less than or equal to 1; x is greater than or equal to zero and less than or equal to 1
x2	x squared
x3	x cubed
x4	x to the fourth;? x to the power four
xn	x to the n;?x to the nth;? x to the power n
x-n	x to the minus n;? x to the power of minus n
√	root x;?square root x;?the square root of x
?	the cube root of x
?	the fourth root of x
?	the nth root of x
(x + y)2	x plus y all squared
(x/y)2	x over y all squared
n!	n factorial; factorial n
x%	x percent
∞	infinity
x ∝ y	x varies as y; x is (directly) proportional to y
x ∝ 1/y	x varies as one over y; x is indirectly proportional to y
?	x?dot
?	x?double dot
f(x) fx	f of x; the function of x
f'(x)	f dash x; the (first) derivative of with respect to x
f''x	f double-dash x; the second derivative of f with respect to x
f'''(x)	f triple-dash x; f treble-dash x; the third derivative of f with respect to x
f(4)	f four x; the fourth derivative of f with respect to x
?v	the partial derivative of v
?v?θ	delta v by delta theta, the partial derivative of v with respect to θ
?2v?θ2	delta two v by delta theta squared; the second partial derivative of v with respect to θ
dv	the derivative of v
dvdθ	d v by d theta, the derivative of v with respect to theta
d2vdθ2	d 2 v by d theta squared, the second derivative of v with respect to theta,?
∫	integral
?	integral from zero to infinity
∑	sum
?	the sum from i equals 1 to n
w.r.t.	with respect to
logey	log to the base e of y; log y to the base e; natural log (of) y
∴	therefore
∵	because
→	gives, approaches
Δx → 0	delta x approaches zero
limΔx→0	the limit as delta x approaches zero,?the limit as delta x tends to zero
LtΔx→0	the limit as delta x approaches zero,?the limit as delta x tends to zero
m/sec	metres per second
x ∈ A	x belongs to A; x is a member of A; x is an element of A
x? A	x does not belong to A; x is not? a member of A; x is not an element of A
A? B	A is contained in B; A is a proper subset of B
A ? B	A is contained in B; A is a subset of B
A?? B	A intersection B
A?? B	A union B
cos x	cos x; cosine x
sin x	sine x
tan x	tangent x, tan x
cosec x	cosec x
sinh x	shine x
cosh x	cosh x
tanh x	than x
|x|	mod x; modulus x
18 ℃	eighteen degrees Centigrade
70 ℉	seventy degrees Fahrenheit

Greek alphabet?

Α	α	alpha	/'?lf?/
Β	β	beta	/'bi:t?/
Γ	γ	gamma	/'g?m?/
Δ	δ	delta	/'delt?/
Ε	ε	epsilon	/'epsil?n/
Ζ	ζ	zeta	/'zi?t?/
Η	η	eta	/'i?t?/
Θ	θ	theta	/'θi?t?/
Ι	ι	iota	/a?'??t?/
Κ	κ	kappa	/'k?p?/
Λ	λ	lamda	/'l?md?/
Μ	μ	mu	/'mju?/
Ν	ν	nu	/'nju?/
Ξ	ξ	xi	/'ksa?/
Ο	ο	omicron	/'??m?kr?n/
Π	π	pi	/'pa?/
Ρ	ρ?	rho	/'r??/
Σ	σ	sigma	/'s?gm?/
Τ	τ	tau	/'tɑ?/
Υ	υ	upsilon	/'j?ps?l?n/
Φ	φ	phi	/'fa?/
Χ	χ	chi	/'ka?/
Ψ	ψ	psi	/'psa?/
Ω	ω	omega	/'??m?g?/

^?
Roman alphabet?

A	a	/'e?/
B	b	/'bi?/
C	c	/'si?/
D	d	/'di?/
E	e	/'i?/
F	f	/'ef/
G	g	/'?i?/
H	h	/'e??/
I	i	/'a?/
J	j	/'?e?/
K	k	/'ke?/
L	l	/'el/
M	m	/'em/
N	n	/'en/
O	o	/'??/
P	p	/'pi?/
Q	q	/'kju?/
R	r	/'ɑ?/
S	s	/'es/
T	t	/'ti:/
U	u	/'ju:/
V	v	/'vi:/
W	w	/'d?blju?/
X	x	/'eks/
Y	y	/'wa?/
Z	z	/'zed/

^?
Fractions?

?	a half	/? 'hɑ:f/
?	a quarter	/? 'kw??t?/
?	three quarters	/θri? 'kw??t?z/
?	a third	/? 'θ?:d/
?	two thirds	/tu: 'θ?:dz/
?	a fifth	/? 'f?fθ/
?	two fifths	/tu: 'f?fθs/
?	three fifths	/θri? 'f?fθs/
?	four fifths	/f?? 'f?fθs/
?	a sixth	/? 's?ksθ/
?	five sixths	/fa?v 's?ksθs/
?	an eighth	/?n 'e?tθ/
?	three eighths	/θri? 'e?tθs/
?	five eighths	/fa?v?'e?tθs/
?	seven eighths	/sev?n?'e?tθs/

^?
Decimal Fractions?

0.1	nought point one	/n?:t p??nt?w?n/
0.01	nought point oh one	/n?:t?p??nt ?? w?n/
0.0001	nought point oh oh oh one	/ten p??nt ?? ?? ?? w?n/
1.1	one point one	/w?n?p??nt?w?n/
1.2	one point two	/w?n?p??nt tu:/
1.23	one point two three	/w?n?p??nt tu: θri:/
1.0123	one point oh one two three	/w?n?p??nt ?? w?n tu: θri:/
10.01	ten point oh one	/ten p??nt ?? w?n/
21.57	twenty-one point five seven	/'twent? w?n?p??nt? fa?v 'sev?n/
2.6666666666....	two point six recurring	/tu: p??nt??s?ks?r?'k?:r??/
2.612361236123...	two point six one two three recurring	/tu: p??nt??s?ks w?n tu:?θri: r?'k?:r??/
2.5 million	two point five million	/tu: p??nt? fa?v?'m?lj?n/

^?
SI Units: Prefixes?

10-24	yocto	y	/'j?kt??/
10-21	zepto	z	/'zept??/
10-18	atto	a	/'at??/
10-15	femto	f	/'femt??/
10-12	pico	p	/'pi:k??/
10-9	nano	n	/'nan??/
10-6	micro	μ	/'ma?kr??/
10-3	milli	m	/'m?l?/
10-2	centi	c	/'sent?/
10-1	deci	d	/'des?/
103	kilo	k	/'k?l??/
106	mega	M	/'meg?/
109	giga	G	/'g?g?/
1012	tera	T	/'ter?/
1015	peta	P	/'pet?/
1018	exa	E	/'eks?/
1021	zetta	Z	/'zet?/
1024	yotta	Y	/'j?t?/
1027	xona	X	/'z??n?/
1030	weka	W	/'wek?/
1033	vunda	V	/'v?nd?/

^?
Cardinal Numbers?

1	one	/w?n/
2	two	/tu:/
3	three	/θri:/
4	four	/f??/
5	five	/fa?v/
6	six	/s?ks/
7	seven	/'sev?n/
8	eight	/e?t/
9	nine	/na?n/
10	ten	/ten/
11	eleven	/?'lev?n/
12	twelve	/twelv/
13	thirteen	/θ?:'ti:n/
14	fourteen	/f??'ti:n/
15	fifteen	/f?f'ti:n/
16	sixteen	/s?kst'i:n/
17	seventeen	/seven'ti:n/
18	eighteen	/e?'ti:n/
19	nineteen	/na?n'ti:n/
20	twenty	/'twent?/
21	twenty-one	/twent?'w?n/
22	twenty-two	/twent?'tu:/
23	twenty-three	/twent?'θri:/
24	twenty-four	/twent?'f??/
25	twenty-five	/twent?'fa?v/
26	twenty-six	/twent?'s?ks/
27	twenty-seven	/twent?'sev?n/
28	twenty-eight	/twent?'e?t/
29	twenty-nine	/twent?'na?n/
30	thirty	/'θ?:t?/
40	forty	/'f??t?/
50	fifty	/'f?ft?/
60	sixty	/'s?kst?/
70	seventy	/'sev?nt?/
80	eighty	/'e?t?/
90	ninety	/'na?nt?/
100	a hundred; one hundred	/? 'h?ndr?d/ /w?n 'h?ndr?d/
101	a hundred and one	/? 'h?ndr?d ?n w?n/
102	a hundred and two	/? 'h?ndr?d ?n tu:/
110	a hundred and ten	/? 'h?ndr?d ?n ten/
120	a hundred and twenty	/? 'h?ndr?d ?n?'twent?/
200	two hundred	/tu: 'h?ndr?d/
300	three hundred	/θri:? 'h?ndr?d/
400	four hundred	/f?? 'h?ndr?d/
500	five hundred	/fa?v 'h?ndr?d/
600	six hundred	/s?ks 'h?ndr?d/
700	seven hundred	/'sev?n 'h?ndr?d/
800	eight hundred	/e?t 'h?ndr?d/
900	nine hundred	/na?n 'h?ndr?d/
1 000	a thousand, one thousand	/? θ'ɑ?z?nd/ /w?n 'θɑ?z?nd/
1 001	a thousand and one	/? 'θɑ?z?nd ?n w?n/
1 010	a thousand and ten	/? 'θɑ?z?nd ?n ten/
1 020	a thousand and twenty	/? 'θɑ?z?nd??n?'twent?/
1 100	one thousand, one hunded	/w?n 'θɑ?z?nd?w?n 'h?ndr?d/
1 101	one thousand, one hundred and one	/w?n 'θɑ?z?nd?w?n 'h?ndr?d ?n w?n/
1 110	one thousand, one hundred and ten	/w?n 'θɑ?z?nd?w?n 'h?ndr?d ?n ten/
9 999	nine thousand, nine hundred and ninety-nine	/na?n 'θɑ?z?nd?na?n 'h?ndr?d ?n?'na?nt? 'na?n/
10 000	ten thousand	/ten 'θɑ?z?nd/
15 356	fifteen thousand, three hundred and fifty six	/'f?fti:n 'θɑ?z?nd?θri: 'h?ndr?d ?n 'f?ft? s?ks/
100 000	a hundred thousand	/? 'h?ndr?d 'θɑ?z?nd/
1 000 000	a million	/? 'm?lj?n/
100 000 000	a hundred million	/? 'h?ndr?d 'm?lj?n/
1 000 000 000	a billion	/? 'b?lj?n/
100 000 000 000	a hundred billion	/? 'h?ndr?d 'b?lj?n/
1 000 000 000 000	a trillion	/? 'tr?lj?n/
1 000 000 000 000 000	a quadrillion	/? kw?dr?lj?n/
1 000 000 000 000 000 000	a quintillian	/? kw?n't?lj?n/
1 000 000 000 000 000 000 000	a sextillion	/? seks't?lj?n/
1 000 000 000 000 000 000 000 000	a septillion	/? sep't?lj?n/
1 000 000 000 000 000 000 000 000 000	an ocillion	/?n ?kt't?lj?n/
1 000 000 000 000 000 000 000 000 000 000	a nonillion	/? n?n'?lj?n/
1 000 000 000 000 000 000 000 000 000 000 000	a decillion	/? de's?lj?n/

^?
Ordinal Numbers?

1st	first	/f?:st/
2nd	second	/'sek?nd/
3rd	third	/θ?:d/
4th	fourth	/f?:θ/
5th	fifth	/f?fθ/
6th	sixth	/s?ksθ/
7th	seventh	/'sev?nθ/
8th	eighth	/e?tθ/
9th	ninth	/na?nθ/
10th	tenth	/tenθ/
11th	eleventh	/?'lev?nθ/
12th	twelfth	/'twelfθ/
13th	thirteenth	/θ?:'ti:nθ/
14th	fourtheenth	/f??'ti:nθ/
15th	fidteenth	/f?f'ti:nθ/???
16th	sixteenth	/s?ks'ti:nθ/
17th	seventeenth	/seven'ti:nθ/
18th	eighteenth	/e?'ti:nθ/
19th	nineteenth	/na?n'ti:nθ/
20th	twentieth	/'twent??θ/
21st	twenty-first	/twent?'f?:st/
22nd	twenty-second	/twent?'sek?nd/
23rd	twenty-third	/twent?'θ?:d/
24th	twenty-fourth	/twent?'f?:θ/
25th	twenty-fifth	/twent?'f?fθ/
26th	twenty-sixth	/twent?'s?ksθ/
27th	twenty-seventh	/twent?'sev?nθ/
28th	twenty-eighth	/twent?'e?tθ/
29th	twenty-ninth	/twent?'na?nθ/
30th	thirtieth	/'θ??t??θ/
31st	thirty-first	/θ??t?'f?:st/
40th	fortieth	/'f?:t??θ/
50th	fiftieth	/'f?ft??θ/
100th	hundredth	/'h?ndr?dθ/
1 000th	thousandth	/'θɑ?z?ndθ/
1 000 000th	millionth	/'m?lj?nθ/

轉(zhuǎn)載于:https://www.cnblogs.com/renzimu/p/3947653.html

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