1.
MANAGEMENT OF PLUMB-LINE OBSERVER OF CG-2A TYPE OPERATING IN FIXED MODE
CG-2A型垂线观测仪固定式的使用
2.
test(sth)by using a plumb-line
用铅垂线测（某物）.
3.
Motion across the line of sight can be followed by direct observation.
与视线垂直的运动可以通过直接观测得到。
4.
The principle of passive localization based on vertical linear array and observability analysis
基于垂直线阵无源定位的可观测性研究
5.
Abnormal Changes of Crustal Deformation before Wenchuan 8.0 Earthquake Observed by BSQ Model Digital Tilt Meter
汶川8.0级地震前BSQ型数字垂直摆倾斜仪观测到的地形变异常现象
6.
stroboscopic instrumentatio
频闪观测仪式检测仪表
7.
In a traverse, afternoon reciprocal angles should be easy to arrange.
在导线测量中，下午对向观测垂直角应该是容易安排的。
8.
observe(a star,etc)by using sights
（用仪器）观测（星等）.
9.
Non-contact On-line Measurement of the Micro-topography of Ultra-precision Machined Surface;
超精细表面微观形貌无接触在线检测仪的研制
10.
true vertical depth log
真垂直深度测井曲线
11.
Observation and analysis of icing on static blade of straight-bladed vertical axis wind turbine
直线翼垂直轴风力机静态叶片结冰的观测与分析
12.
Ultrariolet Ozone Vertical Profile Probe for FY-3A Meteorological Satellite
FY-3A气象卫星紫外臭氧垂直探测仪
13.
clinometer for sighting or surveying
观察或测量用测斜仪
14.
cosmic radiation measuring or detecting instrument
宇宙射线测量或探测仪
15.
a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target.
由一个水平仪和一个观测管组成的测量工具；用来测量从观测者到目标的直线的倾斜角。
16.
between perpendiculars
垂线间垂线间垂线间的
17.
A surveying instrument similar to a theodolite that measures horizontal and vertical angles.
中星仪一种类似于测量水平或垂直角度的测伟仪的测量器具
18.
intercalibration (of observational instrumentation)
观测仪器的相互校准