1.
a navigational instrument based on a gyroscope; provides an artificial horizon for the pilot.
一种基于回转仪的航行工具；为航行提供一种人工地平仪。
2.
Optical and mechanical designs of earth simulator for SIES
红外焦平面静态地平仪用地球模拟器光机系统设计
3.
A Switching Equipment with Self-examination & Self-protection for Horizons;
具有自检和自保护功能的地平仪测控机箱
4.
Design and Realization of Digital Control System of Flight Simulator Attitude Meter;
飞机仿真器地平仪数字控制系统设计与实现
5.
Study on Attitude Measurement Errors of the Infrared Earth Sensor Caused by Motor Speed Asymmetry
基于电机转速的红外地平仪测量误差研究
6.
Infrared Horizon Detector Making for Measuring Micro Air Vehicle Attitude
用于微小飞行器姿态测量的红外地平仪研制
7.
Integrated Orbit and Attitude Determination Algorithm of Satellite Based on Magnetometer and Infrared Horizon Sensor
基于磁强计和红外地平仪的卫星轨道姿态一体化确定方法
8.
horizontal glass
六分仪)地平镜六分仪)定镜
9.
level gauge (hydrological instruments)
水平仪（水文仪器）
10.
an instrument showing the angle that an aircraft makes with the horizon.
显示航行器与地平线的角度的仪器。
11.
A telescope having such a mounting.
地平经纬仪有这种底座的望远镜
12.
To measure the different elevations of(a tract of land)with a level.
测量水平用水准仪对（土地）做水准测量
13.
The instrument must be carefully leveled.
必须将仪器小心地调到水平。
14.
The Control System for Horizontal Displacement Measurement of the Ground;
大地水平位移测量仪控制系统的研究
15.
An instrument used to determine the angle of the earth's magnetic field in respect to the horizontal plane.
磁倾仪用来测定地球磁场相对于水平面的角度的仪器
16.
Immense Memory;
无边界记忆——广西恭城平地瑶“盘王婆”祭仪变形
17.
a level longer than a carpenter's level.
比木匠的水平仪长的水平仪。
18.
map and hydrographic or similar charts of all kinds (including wall maps, topogaphical plans and globes), printed, not in book form
各种地图和水文地理图或类似图（包括地图挂图、地形平面和地球仪）印制的,未装订成册的