subtraction
音标发音
- 英式音标 [səbˈtræk.ʃən]
- 美式音标 [səbˈtræk.ʃən]
- 国际音标 [səb'trækʃən]
- 英式发音
- 美式发音
基本解释
- n. [数] 减法；减少；差集
词根记忆
- 来自subtract(v.减去，扣掉)
同根派生
- adj性质的同根词
- subtractive：减去的；负的；有负号的。
- n性质的同根词
- subtracter：[计]减法器；扣除者。
- vt性质的同根词
- subtract：减去；扣掉。
英汉例句
- I looked at what he'd given me and did a quick subtraction.
我看着他给我的东西，快速做了个减法。 - The difference is found by subtraction.
用减法得出差额. - 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. - I looked at what he'd given me and did a quick subtraction.
我看着他给我的东西，快速做了个减法。 - The difference is found by subtraction.
用减法得出差额.
词组短语
- Subtraction hybridization 差减杂交;杂交法
- subtraction formula [数]减法公式
- Subtraction image 减影图像;减影影像;减影;差图像
- global subtraction [计]全局减法;翻译;全局减法
- repeated subtraction 重复减法;同一数字重复减
短语
专业释义
- 差分方法
It analyzes the common method of detecting objects, and presents a algorithm of detecting objects which combine background subtraction with time difference to improve the performance of detecting.
分析了目标检测的常用方法,提出将背景减除与时间差分方法结合的检测目标方法,提高了目标检测准确性。 - 减法
- 减影
The results accorded with surgical and digital subtraction angiography(DSA)findings.
结果与手术及数字减影血管造影(DSA)检查结果相一致。农业科学
- 消减
Screening the forward and reverse subtraction librarywith colony PCR and dot hybridization, 80 clones were identified as the differentialexpressed cDNA fragment, and the size was between 200 bp and 800 bp.
从正反向消减文库中随机挑选160个阳性克隆，通过菌落PCR和斑点杂交技术进行鉴定，共获得80个差异表达明显的cDNA片段，其大小在200bp～800bp之间。能源科学技术
- 减法
The identification precision of multi-spectrum signal can be improved by changing multi-spectrum signal into singleness-spectrum signal with subtraction.
将多谱线信号利用"减法"改造成单一谱线信号可大大提高谱线辨识精度。数学
- 减法
- 减去法