新GRE數學常見特殊符號的英文表達

2015/10/20 瀏覽次數:3 收藏
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  對付中國考生來講,gre數學固然難度不大,然則考生的答題究竟是樹立在懂得題意的基本上,是以,對付GRE數學測驗中常常湧現的一些特別標記,考生要控制其準確的英文表達方法,下面留學gre測驗頻道將這些GRE數學常見特別標記的英文表達為考生做了匯總,供考生參考。

  + plus ;positive

  - minus ;negative

  × multiplied by ;times

  ÷ divided by

  = equals

  ≈ approximately equals

  ≠ not equal to

  < less than

  > greater than

  ≤ equal to or less than

  ≥ equal to or greater than o

  ( ) round brackets ;parentheses

  [ ] square brackets

  { } braces

  ∈ is a member of the set

  ? is a subset of

  ∽ similar to

  ≌ congruent to

  * denotes an operation

  ∴ therefore

  ∵ because

  ∶ ratio sign, divided by, is to

  ∷ equals, as(proportion)

  ∥ parallel to

  ⊥ perpendicular to, at right angles with

  ∠ angle

  ∟ right angle

  o degree

  ′ minute

  ″ second

  ⊙ circle

  A?B arc AB

  e the base of natural logarithms,approx.2.71828

  x! factorial x, x(x-1)(x-2)---1

  lognx log x to the base n

  π pi

  lnx log x to the base e(natural logarithm)

  lgx log x to the base 10(common logarithm)

  |x| the absolute value of x

  以上內容便是新GRE數學常見特別標記的英文表達匯總,這些經常使用標記在新GRE數學中常常湧現,以是,為了避免影響考生準確懂得題目標意思,願望考生們可以或許賣力背誦下來,末了,祝考生們在接下來的gre測驗中能獲得幻想的新GRE數學成就。