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

• Number Keys and Basic Math Functions: Addition, Subtraction, Multiplication, Division.
  有多少钥匙和基本的数学函数：加法，减法，乘法，记名表决。
• A novel algorithm for moving detection, which employed adaptive background subtraction and symmetrical differencing method, was presented.
  提出一种基于动态阈值对称差分和背景差法的运动对象检测算法。
• One of the common methods is based on the background subtraction.
  减背景法是常用的方法之一，但其受环境光照影响；
• 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。
• When combining addition and subtraction with multiplication and division it is necessary to take interim totals.
  当加减法和乘除法联合运算时，必需取得中间和数。
• Binary Addition and Subtraction, Implementation and Performance of the Full Adder, High-speed Addition, Signed Arithmetic.
  二进制加减，全加器的实现和性能，高速加法，带符号加法。
• There will be simple tests in addition, subtraction, multiplication and division.
  会有对加、减、乘、除运算的简单测试。
• Businessman's books, records income and expenditure, two Numbers subtraction, is profitable.
  商人的书，记录收入和支出、两个数字减法，是有利可图。
• The plus sign is used in addition and the minus is used in subtraction.
  加号用于加法；减号用于减法。
• 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。