初中英語詞匯:奧數(shù)英文標(biāo)點(diǎn)符號(hào)怎么說?

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《奧數(shù)英文標(biāo)點(diǎn)符號(hào)怎么說?》由留學(xué)英語組編輯整理(www.liuxue86.com)。本內(nèi)容整理時(shí)間為05月12日,如有任何問題請(qǐng)聯(lián)系我們。
    奧數(shù)英文經(jīng)常會(huì)出現(xiàn)一個(gè)數(shù)學(xué)符號(hào),標(biāo)點(diǎn)符號(hào)等,這些符號(hào)不應(yīng)該成為我們學(xué)習(xí)奧數(shù)英文的攔路虎,那么,這些標(biāo)點(diǎn)符號(hào)英語怎么說呢?
    + 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無限大號(hào)
    ∝varies as與…成比例
    √(square) root平方根
    ∵since; because因?yàn)?BR>    ∴hence所以
    ∷equals, as (proportion)等于,成比例
    ∠angle角
    ⌒semicircle半圓
    ⊙circle圓
    ○circumference圓周
    πpi 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問號(hào)
    !exclamation mark (英式英語) exclamation point (美式英語)
    ‘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);參見號(hào)
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    《奧數(shù)英文標(biāo)點(diǎn)符號(hào)怎么說?》由留學(xué)英語組編輯整理(www.liuxue86.com)