1.
In subtraction, to take a unit from the next larger denomination in the minuend so as to make a number larger than the number to be subtracted.
借位在减法中，从被减数字相邻的一位更大的数字中借用一单位，以便使数字大过减数
2.
digital subtraction angiography
数字减影血管造影术
3.
reduce the passage to half the number of words
把这段字数减少到一半
4.
Subtract the number in Step 2 from the number in Step 1.
用第一步中数字减去第二步的数字。
5.
There is a minus before the number to be subtracted.
在要减去的数字前有一个减号。
6.
To shorten(a number)by dropping one or more digits after the decimal point.
通过减少小数点后位数来缩短（数字）
7.
intravenous digital subtraction angiography
静脉注射数字减影血管道镜术
8.
encoding information while reducing the bandwidth or bits required.
减少带宽或者字节数的信息编码活动。
9.
The advantage of digital transmission is error reduction.
数字传播的优势是错误减少了。
10.
Extraction of Structure Features in DSA Image
血管数字减影图象中的结构特征提取
11.
The Study of Volume Computed Tomographic Digital Subtraction Angiography in Cerebral Vessels;
脑血管容积CT数字减影血管造影研究
12.
Volume CT Digital Subtraction Angiography Study of the Circle of Willis
Willis环容积CT数字减影血管造影研究
13.
Practice of Placing PICC Under the Guidance of Digital Subtracted Angiography
数字减影血管造影引导下行PICC的探讨
14.
Digital Subtract CT Angiography Technology of Head and Neck
头颈部数字减影CT血管成像技术探讨
15.
Two Cases of GE DSA Catheter-bed Troubleshooting
GE数字减影血管机导管床故障两例
16.
Application of "Bypass" in the Tube of Digital Subtraction Angiography
“搭桥术”在数字减影机球管上的应用
17.
Analyzing Power Enterprises' Energy-Saving and Emission Reduction Based on Data
数字解析我国发电企业节能减排工作
18.
Analysis of clinical application of digital subtraction angiography
数字减影全脑血管造影临床应用分析