subtraction

英 [səb'trækʃ(ə)n]

美 [səb'trækʃən]

n.  扣除; 减法

复数：subtractions　

高考TOEFLTEM8计算机

BNC.21520 / COCA.21980

柯林斯词典

• VERB 减;减去
  If yousubtractone numberfromanother, you do a calculation in which you take it away from the other number. For example, if you subtract 3 from 5, you get 2.
  1. Mandy subtracted the date of birth from the date of death...
     曼迪用去世的日期减去出生的日期。
  2. We have subtracted $25 per adult to arrive at a basic room rate.
     我们已给每位成人房客减去了 25 美元，这就是基本的房费价格了。

英英释义

noun

• the act of subtracting (removing a part from the whole)
  1. he complained about the subtraction of money from their paychecks
  Synonym:deduction
• an arithmetic operation in which the difference between two numbers is calculated
  1. the subtraction of three from four leaves one
  2. four minus three equals one
  Synonym:minus

双语例句

• In subtraction, one never "carries" a digit or bit on to the next left place-weight.
  在减法，一个从来没有“携带”数字或比特的下一个离开的地方体重。
• Background subtraction and interference correction are the crucial processes to improve the precision and the resolving power of the electron microprobe analyzer.
  对提高电子探针分析精度和分辨本领的关键和难点-背景扣除和重叠峰修正的理论和方法发展进行了综述。
• A method for performance evaluation of motion detection algorithm based on background subtraction;
  分析了时间差分法、背景减除法、光流法等常用的几种运动人体检测算法。
• Arithmetic on BigDecimal values is provided by methods for addition, subtraction, multiplication, and division.
  用于加、减、乘和除的方法给BigDecimal值提供了算术运算。
• In a subtraction operation, the number or quantity subtracted from the minuend.
  在减法运算中，从被减数减去的那个数或量。
• This service is a simple math calculation service, providing addition and subtraction operations.
  该服务是一个简单的数学计算服务，提供了加法和减法操作。
• Objective To assess the displaying capabilities and advantages of routine CTA and subtraction CTA of the jugular bulb.
  目的探讨常规CTA及减影CTA技术显示颈静脉球的能力及优势。
• An approach to speech-sound enhancement is proposed based on the spectral subtraction.
  提出了一种基于谱减法的语音增强算法。
• The first two basic operations in mathematics are addition and subtraction.
  数学中两个最基础的运算是加和减。
• So the adding and the subtraction of vectors is way more complicated than just scalars.
  因此矢量的加法和减法，要比标量复杂。