標(biāo)點(diǎn)符號(hào)英文表達(dá)

+　 plus　加號(hào)；正號(hào)

-　 minus　減號(hào)；負(fù)號(hào)

±　plus or minus　正負(fù)號(hào)

×　is multiplied by　乘號(hào)

÷　is divided by　除號(hào)

＝　is equal to　等于號(hào)

≠　is not equal to　不等于號(hào)

≡　is equivalent to　全等于號(hào)

≌　is equal to or approximately equal to　等于或約等于號(hào)

≈　is approximately equal to　約等于號(hào)

＜　is less than　小于號(hào)

＞　is greater than　大于號(hào)

≮　is not less than　不小于號(hào)

≯　is not more than　不大于號(hào)

≤　is less than or equal to　小于或等于號(hào)

≥　is more than or equal to　大于或等于號(hào)

%　 per cent　百分之…

‰　per mill 千分之…

∞　infinity　無(wú)限大號(hào)

∝　varies as　與…成比例

√　(square) root　（平方）根

∵　since; because　因?yàn)?/span>

∴　hence　所以

∷　equals, as (proportion)　等于，成比例

∠　angle　角

⌒　semicircle　半圓

⊙　circle　圓

○　circumference　圓周

π　pi 圓周率

△　triangle　三角形

⊥　perpendicular to　垂直于

∪　union of　并，合集

∩　intersection of 交，通集

∫　the integral of …的積分

∑　(sigma) summation of　總和

°　degree　度

′　minute　分

″　second　秒

℃　Celsius system　攝氏度

{　open brace, open curly　左花括號(hào)

}　close brace, close curly　右花括號(hào)

(　open parenthesis, open paren　左圓括號(hào)

)　close parenthesis, close paren　右圓括號(hào)

() brakets/ parentheses　括號(hào)

[　open bracket 左方括號(hào)

]　close bracket 右方括號(hào)

[] square brackets　方括號(hào)

.　period, dot　句號(hào)，點(diǎn)

|　vertical bar, vertical virgule　豎線

&　ampersand, and, reference, ref　和，引用

*　asterisk, multiply, star, pointer　星號(hào)，乘號(hào)，星，指針

/　slash, divide, oblique 斜線，斜杠，除號(hào)

//　slash-slash, comment 雙斜線，注釋符

#　pound　井號(hào)

\　backslash, sometimes escape　反斜線轉(zhuǎn)義符，有時(shí)表示轉(zhuǎn)義符或續(xù)行符

~　tilde　波浪符

.　full stop　句號(hào)

,　comma　逗號(hào)

:　colon　冒號(hào)

;　semicolon　分號(hào)

?　question mark　問(wèn)號(hào)

!　exclamation mark (英式英語(yǔ)) exclamation point (美式英語(yǔ))

'　apostrophe　撇號(hào)

-　hyphen　連字號(hào)

-- dash 破折號(hào)

...　dots/ ellipsis　省略號(hào)

"　single quotation marks 單引號(hào)

""　double quotation marks 雙引號(hào)

‖ parallel 雙線號(hào)

&　ampersand = and

～　swung dash 代字號(hào)

§　section; division 分節(jié)號(hào)

→　arrow 箭號(hào)；參見(jiàn)號(hào)

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