1.
Research on Refractive/Diffractive Hybrid Dual Field-of-view Optical System for Uncooled Infrared Thermal Imager
非制冷红外热成像折衍两档变焦光学系统研究
2.
Design of uncooled LWIR thermal imager Switch-Zoom Optical System
非制冷热成像长波红外两档变焦光学系统
3.
Hydrostatic transmission,double drive,two amplitudes,two gears and infinitely variable speed.
全液压、双驱动、双振幅、两档无极变速。
4.
(optics) having two foci.
（光学）有两个焦点。
5.
autofocus zoom lens
自动聚焦变焦距镜头
6.
Two Sorts of Anxiety From 1936 to 1941; A Historical Investigation of the Discussions of the "Shift" of Lu Xun s Thought Conducted by the Left - wing Cultural Circle in China;
1936-1941:两种焦虑——左翼文化界关于鲁迅思想“转变”讨论的历史考察
7.
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
8.
Place transmission in park (automatic transmission) or first gear (manual transmission).
置停车档(自动变速)或一档(手排变速)。
9.
Merges two adjacent subdocuments into one subdocument
将两个相邻的子文档合为一个子文档
10.
archival management in ancient Mesopotamia
古代两河流域档案管理
11.
I want two carbons for our files.
我要两份复写本存档。
12.
bifocal chord of a quadric
二次曲面的两焦点弦
13.
If the two numbers match, the recipient can be certain of the document's integrity because it could not have changed during transmission.
如果这两个数字相匹配，接收方就可以肯定文档的完整性，因为它在传输过程中没有改变。
14.
Performance Analysis of the Elliptic Beam Ring-focus Antenna with a Variable Focal Distance
椭圆波束变焦距环焦天线的性能分析
15.
Improvement of Frequency Conversion Controller for CDQ Rotary Coke Pot
干熄焦旋转焦罐变频控制系统的改造
16.
The camera is focused at infinity.
照相机的聚焦被调节在无限远这一档上。
17.
The degrees of anxiety and depression and vital indications were observed on the hospitalized day and the eve of operation.
观察两组病人住院当日、手术前夜焦虑、抑郁、恐惧程度及生命体征变化；
18.
A Research of Changing Pumping Wells into Pumping Recharging Wells for Effectively Using Water Resources--A Case in Huanfeng Funnel Area,Jiaozuo,Henan;
变抽水井为抽灌两用井增加有效水资源研究——以河南省焦作市郇封地下水漏斗区为例