subtracts

英 [səbˈtrækts]

美 [səbˈtrækts]

v.  减; 减去
subtract的第三人称单数

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。

双语例句

• Because of tracking under static background whose the background is fixed, so long as the background is real-time updated at different times, then the current frame subtracts the background image to realize target tracking.
  当在静态背景情况下进行目标跟踪时，只要实时的更新不同时刻的静态背景，然后再用当前帧减去背景图像即可提出被跟踪的目标。
• A businessman usually subtracts his costs from his gross profits.
  通常商人从毛利中减去他的成本。
• The additional heuristic calculates the number of comparisons made in the current position and subtracts that from the GOOD SUFFIX shift.
  附加的启发式搜索计算当前位置进行的比较的次数，然后从良好后缀移动中减去这个数。
• Getting a grade like a B-plus or a C-minus adds or subtracts a few tenths of a point.
  B+或C-意味着在每个分数上加上或减去几个0.1分。
• Subtracts one value from another and pushes the result onto the evaluation stack.
  从其他值中减去一个值并将结果推送到计算堆栈上。
• The motion of the airplane also adds or subtracts at bit from this apparent object motion.
  飞机的运动也会多少对这个天体的视运动作出一点增加或减少的效应。
• Adds the first and second arguments, then subtracts their product from the sum.
  将第一个参数和第二个参数相加，然后从和中减去它们的乘积。
• The net profit figure in this cell is calculated by a formula that subtracts the costs in this cell from the gross profit in this cell.
  这格里的纯利数字是由这格的总盈利减去这格的成本算出来的。
• It exploits the poverty of the coupling matrix to a uniform linear array ( ULA), subtracts two subarrays with the same structures and coupling characteristic, estimates the DOAs using ESPRIT and then obtains the coupling parameters in the Least-Square ( LS) sense.
  利用了均匀线阵互耦矩阵的特点，在阵列中找出互耦结构相同的两个子阵，利用ESPRIT方法得到角度估计，再从最小方差（LS-Leastsquare）拟合出发获得互耦参数的估计。
• Each virtual-loop's output signals mainly derive from the pixel difference between consecutive image frames within the virtual-loop area. When the result of consecutive frame difference is smaller than the threshold, current frame subtracts the background to produce the virtual-loop's signals.
  各个虚拟线圈的输出信号主要来源于帧间差分，当帧间差分的结果小于判断阈值时，系统会自动调用减背景图像处理方法来产生虚拟线圈信号。