double sighting error

autoreduction alidade

曲线归算望远镜照准仪

A topographic surveying and mapping instrument used for determining directions, consisting of a telescope and attached parts.

照准仪用来确定方向的地形测量和绘图工具，包括望远镜和其它附件

A sight on a quadrant or compass.

照准器象限仪或罗盘上的准星

Any of various instruments used to determine or specify colors, as by comparison with spectroscopic or visual standards.

色度计比照色谱或视觉标准确定色彩的仪器

Research of Measuring System for Calibrators of Headlamp Tester for Motor Vehicle;

机动车前照灯检测仪校准器检测系统的研制

Calibrator verification equipment for headlamp tester based on machine vision

基于机器视觉的前照灯仪校准器检定装置

Calibration for radiation protection instruments X and γ exposure rate meters

"GB/T8994-1988辐射防护仪器的校准与定度X,γ照射量率仪"

An instrument that measures the concentration of a known constituent of a solution by comparison with colors of standard solutions of that constituent.

比色计比照某种溶质标准溶液的色彩，来测量一种溶液已知溶质浓度的仪器。

standard of comparison for checking the results of an experiment

（实验的）对照标准

Markowitz moon camera

马科维茨月球照相仪

camera drive pane

照相记录仪驱动面板

You were supposed to stand to attention.

照理这会儿得立正如仪；

radiolite survey instrument

放射性涂料照相测斜仪

camera control interface

照相记录仪控制接口

emergency panel lights switch

仪表板应急照明电门

ruby laser microscopic radiation meter

红宝石激光显微照射仪

performed with due ceremonial

按照适当礼仪进行.

comply with all the necessary formalities

遵照一切必需的礼仪