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

• 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。
• Subtracts the specified date and time from this instance.
  从此实例中减去指定的日期和时间。
• That subtracts nothing from his merit.
  那丝毫也没有减损他的功绩。
• The Reference then contains a Transform that subtracts the XML signature being generated.
  Reference然后包含一个Transform，可以去掉生成的XML签名。
• Since the E3 enzymes specify the subtracts, they play the most important role in the ubiquitylation reaction.
  E3酶特异地指定底物，在泛素化作用中起到了重要作用。
• 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 green GDP is the surplus amount of GDP that subtracts environment cost.
  绿色GDP是减去环境成本的GDP的余额。
• 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。
• 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。
• Background subtraction is a commonly used moving objects detection method, it subtracts the background model which is stored beforehand or observed in time from the current frame, by threshold operation getting moving objects.
  减背景技术是一种常用的运动对象检测方法，其基本思想是将视频中当前帧图象与事先存储的或实时得到的背景模型相减，通过阈值操作，得出运动区域。