subtraction
美 [səbˈtrækʃən] 
英 [səbˈtrækʃ(ə)n]
词形变化
复数：subtractions 同义词
英汉解释
英英解释
例句
second, addition and subtraction how much is the number of pulses.
二是加减的脉冲个数是多少。
I suspect that subtraction would be a harder operation for animals to understand and deal with, but little research has been done.
我怀疑减法对于动物来说太难理解和掌握，不过这类研究真的很少。
Renovating existing buildings, advertising, plaque too much to use subtraction, and should not be approving new advertising and plaque.
现有建筑墙体上的广告、牌匾太多，要采用减法，原则上不应再审批新的广告及牌匾。
Today he meets two numbers and thinks whether he could get a result of 1 by doing at least one operation (addition or subtraction).
今天，他碰到两个数字，判定他是否需要至少做一次手术（加或减为1的结果）。
Through conversion, it is clear that each of the age factor for the addition and subtraction of a body organ Life of life.
通过换算，就可以清楚的知道每个加减龄因素对于身体器官的寿命的影响年限。
Do we really think "drilling addition and subtraction in an age of calculators is a waste of time" ?
我们真的认为“训练学生加减法是在浪费时间”吗？
"Single peak" of absorbance subtraction method in infrared spectrometry was used to determine mixtures in visible and ultraviolet spectra.
前言：将红外光谱分析中“独立峰”差谱法应用于可见光区混合物谱峰的分离和测定。
The specification for a calculator probably states that it will perform correct addition, subtraction, multiplication, and division.
一个计算器的说明书可能会声明它将执行正确的加法，减法，乘法和除法运算。
Obviously this affects conversion operations, buttheeffect ripples into the addition, subtraction, and comparison operations as well.
显然，这将影响货币的币值转换工作，同时会波及货币的加法，法以及比较运算。
In the last two months they have been working on Multiplication and Division. Addition and Subtraction are the subjects two months ago.
最近的两个多月他们一直在学习乘除法，加减法是两个多月前学的。
We report the MRI and digital subtraction angiography (DSA) findings in a patient presenting with a mass behind the knee.
我们报告的MRI和数字减影血管造影（DSA）结果在病人提出的质量背后的膝盖。
Among various techniques, the most common are addition and subtraction, which are indispensable to a better result of translation.
在众多翻译技巧中，增译和减译是最常见且必不可少的。
The dual-energy subtraction CTA has better effectiveness when used for non-cooperation patients.
对扫描中不配合患者，双能量减影法去骨效果更好。
Obviously this affects conversion operations, but the effect ripples into the addition, subtraction, and comparison operations as well.
显然，这将影响货币的币值转换工作，同时会波及货币的加法、减法以及比较运算。
One of the quantities connected by addition or subtraction signs in an equation; a member.
等式中用加号或减号连在一起的量；一项
One group of students observed a subtraction demonstration by a teacher and then participated in an instructional program on subtraction.
第一组学生观察教师示范的减法运算，之后在指导下进行减法运算。
Background subtraction was used for detecting moving vessels in dock video images.
通过背景差法对码头视频图像中的运动船只检测。
Pascal To help his father, use gear theory, invented the first calculator can perform addition and subtraction operations.
帕斯卡为了协助父亲，利用齿轮原理，发明了第一台可以执行加减运算计算器。
Digital subtraction angiography (DSA) showed an avascular space over the convexity and Magnetic resonance imaging (MRI) revealed the tumour.
数字减影血管造影（DSA）显示，缺血空间的凸性和磁共振成像（MRI）发现肿瘤。
The BCL team will include character class subtraction support in the next release of the Framework.
BCL团队将在Framework的下一个版本中增加对字符类减法的支持。
He said you needed addition and subtraction .
他认为只需要加法和减法运算就可以了。
Objective To explore subtraction of dual-energy technology in traumatic fractures of the ribs and its diagnostic value.
目的探讨双能量减影技术在外伤性肋骨骨折诊断的价值。
Finally select the subtraction, material Park, select simple layout, and to the refined burrs, and this form of binding.
最后还是选择减法，用材质朴，选择简洁的版式，并以改进后的毛边本形态装订。
Method: Adopting IR subtraction method and comparing the location of absorption peaks. There would be no meed of separation and abstraction.
方法：采用红外差谱技术，比较吸收峰位置，无需分离提取。
Moving point accumulation was applied to extract the background, and then background subtraction was employed to detect moving objects.
使用运动点积累的方法来更新背景图像，然后应用背景差分准确检测出场景中的运动目标。
As for me, a painting like a subtraction.
至于我，一幅作品如同一个减法的得数。
In this game, these cards are hiding the two parts of a subtraction.
在这个游戏中，这些卡片分开隐藏了减法式的两个部分。
The main idea of the spectral subtraction algorithm is noise detection and spectral subtraction rule.
谱相减语音增强算法的核心是噪声检测和谱减规则。
Vertebral artery measurements by digital subtraction angiography, magnetic resonance angiography or CT angiography.
数字减影血管造影；磁共振血管造影；
finite element calculation on model and static strength of the quality-reduced crankshaft and feasible analysis of quality subtraction .
对曲轴减重后的模态和静强度进行了有限元计算，并进行了减重可行性分析。
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。
The standard image and bone tissue subtraction images compare the show rate of different segments of the rib fractures.
选取标准图像和骨组织减影图像，并比较两图像对肋骨不同节段骨折的显示率。
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。
Vehicle detection is a crucial step in a video-based traffic surveillance system. A typical method is background subtraction.
在基于视频的交通监控系统中，车辆的正确检测是关键，目前采用的典型方法是背景相减法。
It is about combinatorial estimates associated with arithmetic operations (addition, subtraction, multiplication, and division).
这是一门评估算术运算（加减乘除）组合规模的学科。
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。
Requires addition, subtraction, multiplication, division a function of the design.
要求加法、减法、乘法、除法各设计一个函数。
an object recognition algorithm which integrates the background subtraction algorithm and the temporal differencing algorithm is introduced.
介绍一种结合背景差分法和瞬时差分法的在视频序列中识别运动目标算法。
The arithmetic operators support addition , subtraction , multiplication, and division of numeric values .
算术运算符支持数值的加法、减法、乘法和除法。
Objective To explore the application of whole brain digital subtraction angiography (DSA) in diagnosis of ischemic cerebrovascular disease.
目的探讨全脑数字减影全脑血管造影（DSA）在缺血性脑血管病诊断中的应用价值。
