nebular spectrum是什么意思

网络释义

用法例句

In order to analyze the effect of color temperature in star sensor, the model of stellar spectrum was presented in this paper.

在分析不同色温恒星光谱分布特征的基础上,建立恒星光谱模型,计算色温差异引起的恒星定位误差。

According to the process of accumulation of astronomical data, we design a data warehouse based on the galaxy spectral classification system.

大天区面积多目标光纤光谱天文望远镜(LAMOST)将被建成,会产生大量的星系光谱数据。

In practice the identification of lines in a star's spectrum is not so easy.

实际上，要辨认恒星光谱中的谱线并不那么容易。

If you spread the light of a star out into a rainbow and photograph it, you have a spectrum of the star.

如果你把恒星的光分解为彩虹的颜色并且对它拍照，你就得到了恒星光谱。

In chap. 19 we saw that red shifts in stellar spectra result from motions away from the earth.

在第十九章我们已了解到，恒星光谱中的红移是恒星背离地球的运动造成的。

So it is necessary to seek new theories to explain the spectral lines broadening of stars.

这样，寻求新的理论解释恒星光谱线的加宽成为必要。

An Automated Stellar Spectra Classification System Based on Non-Parameter Regression and Nearest Neighbor Method

基于非参数回归与最近邻方法的恒星光谱自动分类

American astronomer noted for her work on classifying stellar spectra.

坎农，安妮·江普1863－1941美国天文学家，以其对恒星光谱的分类工作而出名

The spectrum is just an image of the star in various wave lengths.

光谱正好是恒星在各个波长处的象。

Stellar spectra vary considerably.

恒星的光谱有相当大差异。

If the stellar spectrum is known, the albedo of the dust can be obtained.

如果恒星的光谱已知，就可得出尘埃的反照率。

The analysis of starlight with the spectrograph has provided information on the distances, temperatures, sizes, and notions of the stars.

用摄谱仪分析恒星的光谱，可提供恒星的距离、温度、大小以及运动等方面的材料。

A star that has this kind of spectrum reveals at once something of its structure.

具有这种光谱的恒星，马上就展示出它的一些结构。

Motion of a star across the line of si ght causes no change in its spectrum.

恒星横越视线方向的运动，在它的光谱中不会引 起什么变化。

A convenient classification of stars is based upon the observed sequence of spectral types.

一种实用的恒星分类法是基于测得的光谱类型序列。

constant angle reflection interference spectroscopy

恒定角反射干涉光谱学

constant angle transmission interference spectroscopy

恒定角透射干涉光谱学

Stars are radiators of vast power.

恒星是强大的发光体。

High-mass stars emit ultraviolet and blue light, whereas low-mass stars emit yellow and red light.

大质量恒星发出紫外光和蓝光，而小质量恒星则发出黄光与红光。

Spectral Line Observations of Massive Star Forming Regions and Circumstellar SiO Maser;

大质量恒星形成区和恒星SiO脉泽的谱线观测研究