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种种符号在英语中若何表达,需求英文

tz920525201 英语考试 2021-07-05 09:31:07 8 0

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种种符号在英语中若何表达,需求英文,+  plus
加号;正号,-  minus
减号;负号,± plus or minus
正负号,× is multiplied by
乘号,÷ is divided by
除号,= is equal to
即是号,≠ is not equal to
不即是号,≡ is equivalent to
全即是号,≌ is equal to or approximately equal to
即是或约即是号,≈ is approximately equal to
约即是号,< is less than
小于号,> is greater than
大于号,≮ is not less than
不小于号,≯ is not more than
不大于号,≤ is less than or equal to
小于或即是号,≥ is more than or equal to
大于或即是号,%  per cent
百分之…,‰ per mill
千分之…,∞ infinity
无限大号,∝ varies as
与…成比例,√ (square) root
平方根,∵ since; because
由于,∴ hence
以是,∷ equals, as (proportion)
即是,成比例
∠ angle
 

⌒ semicircle
 
半圆
⊙ circle
 
圆,○ circumference
 
圆周,π pi
圆周率,△ triangle
 
三角形,⊥ perpendicular to
 
垂直于,∪ union of
并,合集,∩ intersection of
交,通集,∫ the integral of
…的积分,∑ (sigma) summation of
总和,° degree
度,′ minute
分,″ second
秒,℃ Celsius system
摄氏度
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