front sight

To establish a permanent,continuous and dynamic surveying frame is eagerly demanded in Guangzhou city.

该文对广州市城市测绘框架基准的关键性技术问题进行了研究和解决。

This paper mainly introduces how to realize plottings of longitude and latitude grid line, standard map fram and type of graph in the geophysical and geochemical map by WIN-SURFER system.

本文主要介绍了如何在ＷＩＮ－ＳＵＲＦＥＲ环境下实现物化探图件中的经纬网绘制、标准图框绘制、曲线类型图绘制方法。

autoreduction alidade

曲线归算望远镜照准仪

Your passport will be checked when you enter and exit the port, get it ready soon.

出入境要验照, 你快把护照准备好。

A sight on a quadrant or compass.

照准器象限仪或罗盘上的准星

standard of comparison for checking the results of an experiment

（实验的）对照标准

standard referenced test

标准参照测验标准参照测验

spectral radiant illuminance standard lamp

光谱辐射照度标准灯

standard fine grain aerial photo paper

标准精细航空照相纸

A camera was aimed at the scene.

把照像机对准景物。

behaving according to standards of what is right or just.

按照是非标准行事的。

bolometric standard irradiance

测辐射热标准辐照度

an ordered reference standard.

一种有序的参照标准。

The standards so established.

照此法规建立的标准。

CIE standard illuminants

国际照明委员会标准照明体

CIE standard illuminant A

国际照明委员会标准施照体A

Standard illuminants and illuminating--viewing conditions

GB/T3978-1994标准照明体及照明观测条件

If the camera is not brought into focus, the photo will be blurred.

如果照相机焦点不对准, 照片就会模糊。

point or aim(a gun,camera,etc)at sb/sth

将（枪、照相机等）对准或瞄准某人[某物

Bring the object into focus if you want a sharp photograph.

要照出清晰的照片, 就要把焦点对准物体.