1)spectroscopic binary star分光双星
英文短句/例句
1.Theoretical Improvement of Methods for Judging the Synchronization of Self Rotations of Stars in a Spectroscopic Binary System判断分光双星自转同步性方法的理论改进
2.photometric binary光度双星 -即食双星
3.photometric orbit光度轨道 -食双星
4.Theoretical Study of One- and Two-photon Absorption Properties for Two Series of Star-burst-typed Pseudo Octupolar Molecules两个系列星型准八极矩分子单光子和双光子吸收性质的理论研究
5.double-beam grating spectrophotometer双光束光栅分光光度计
6.double - beam spectrodensitometer双光束分光光密度计
7.Isolation and Characterization of Microsatellite Markers in Two Species of Bivalve and Sea Urchin Strongylocentrotus Nudus;两种双壳贝类和光棘球海胆微卫星标记的分离及特性研究
8.SPECTROPHOTOMETRY OF N HER 1963 IN ITS NEBULAR STAGE武仙座1963年新星星云阶段的分光光度
9.double beam molecular absorption spectrometer双光束分子吸收光谱仪
10.ultraviolet double beam spectrophotometer紫外双射束分光光度计
11.Study on Photometry of the W UMa System V523 CasW UMa型相接双星V523 Cas测光研究
12.A new type of acquisition technology based on dual-beam scanning of laser satellite communication一种新型的双光束扫描卫星光通信捕获技术
13.Some catalogs provide data on motions, variability, duplicity, etc.有的星表还提供了运动，是否变光以及双星、聚星等等的资料。
14.Stars are classified by brilliance as of the first, sixth, etc. magnitude.星就其光度而分，可分为一等星、六等星等等。
15.henry draper catalog亨利德雷伯分光星表
16.The Fading Color Reaction of Netilmicin with Congo Red and Its Application to the Spectrophotometric Determination of Netilimicin奈替米星-刚果红分光光度法测定奈替米星
17.south following star东南星 -目视双星
18.north following star东北星 -目视双星
相关短句/例句
double line binary双线分光双星
3)double-line spectroscopic binary双谱分光双星
4)pre-main-sequence spectroscopic主序前分光双星
5)single line binary单线分光双星
6)single line spectroscopic binary单谱分光双星
延伸阅读
分光双星分光双星spectroscopicbinarystar用分光方法，由视向速度周期性变化而确定的双星。光谱中能看到两个子星的谱线的叫双谱分光双星，只看到一个子星的谱线的叫单谱分光双星。视向速度随轨道运动位相的变化而变化，由此得到视向速度曲线。由视向速度曲线的分析，可以得到一些轨道要素，尤其是双谱分光双星，能得到恒星的质量、半径等基本参量。已发现的分光双星约有5000个，轨道周期范围很宽，短的不到82分钟，长的约88年。
