查询词典 optical instrument

For easy to install and checkout optical instrument,here primarily introduces the basic principles and structure component of collimator,which is composed of object lens、divisional board and ground glass.

1引言根据几何光学原理，无限远处的物体经过透镜后将成像在焦平面上；反之，从透镜焦平面上发出的光线经透镜后将成为一束平行光。

Spectrometer is an important optical instrument. It is widely used in various areas of science and technology.

光谱仪是一种重要的光学仪器，广泛应用于科学技术的各个领域。

Optical Instrument,1996,18(3-4):

光学仪器，1996，18(3-4)：33-36，32-39

In order to ensure the proper operation of optical instrument in harsh environment,detailed engineering analyses are frequently needed.

为了使光学仪器能在恶劣的环境下正常工作，需要对其进行详尽的工程分析。

In the field of view of an optical instrument that is used as a reference point or measuring ''.

参照的属于、关于或作为光学仪器视野中的标点系统的，该系统用作参照点或衡量''。

An optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen .

珠宝商用的光学仪器；有一个或多个镜头用来看不容易看到的特点。

Optical instrument design manual［M］.

光学仪器设计手册［M］。

An optical instrument that magnifies the image of an object.

放大物体图像的光学仪器。

School of Aerospace Science and Engineering,Beijing Institute of Technology, Beijing 100081,China; 2 North China Optical Instrument Co., Ltd., Beijing 100176, China

北京理工大学宇航科学技术学院，北京 100081； 2 北京华北光学仪器有限公司，北京 100176

The usually circular area in which the image is rendered by the lens system of an optical instrument .

在一特定值的附近摇摆在某一选定值周围振荡。用于机器，仪器或系统

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。