2)、差集(Subtraction)是将从一个样条线中删除与另外一个样 条线相交的部分。 3)、交集(Intersection)是根据两条样条线的相交区域创建一条 样条线。
基于264个网页-相关网页
digital subtraction angiography 数字减影血管造影 ; 造影 ; 血管造影 ; 影血管造影
Three-digit Subtraction 三位数的减法
subtraction sign [数] 减号
Subtraction Strip Board 减法板 ; 减法板及定规
background subtraction 减去本底 ; 背景差分 ; 背景减法 ; 背景相减法
digital subtraction 数字减影 ; 数字减影血管造影 ; 血管损伤
Two-digit Subtraction 两位数减法
Spectral Subtraction 谱减法 ; 谱相减 ; 消去法 ; 谱减
image subtraction 像减去 ; 影像相减 ; 像相减法
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。
参考来源 - 实时视频中多运动目标检测与跟踪研究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。
参考来源 - 双源CT血管成像在主动脉缩窄中的应用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。
参考来源 - 安吉白茶高氨基酸相关基因分离及鉴定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。
参考来源 - 谱线辨识方法的改进·2,447,543篇论文数据,部分数据来源于NoteExpress
She's ready to learn simple addition and subtraction.
她准备学习简单的加法和减法。
There will be simple tests in addition, subtraction, multiplication, and division.
将会有加减乘除的简单测试。
We can use the magic of subtraction.
我们可以利用减法的魔力。
I've got one test there, and then I've just got one thing to do here, which has got a subtraction and a multiplication.
这儿有一个比较,然后在一个基本步骤里,做了一个减法和一个乘法两个基本操作。
Some of this work's been done at Yale in Karen Wynn's lab, where they look at babies' understanding of addition and subtraction.
这个研究的一些部分是在耶鲁的,凯伦·韦恩实验室进行的,他们在那里观察婴儿对加减法的理解
Most of these are probably self explanatory, addition, subtraction, multiplication, division, and anyone?
其中很多都不需要加以说明的,像加号,减号,乘号,除号和?
词组短语
应用推荐