nebular line

The theory is based on the complex hydromagnetic equations of nebula,which are simplified approximately to the equations of velocity.

把星云的复杂的磁流体动力学方程 ,近似简化为只与速度相关的方程 ,则得到一个可解的简单模型 。

Based on the studies of meteorites, the authors introduce the formation and evolution of the solar system, including condensation, heating and alteration in the solar nebula, thermal metamorphism, igneous fractionation and shock metamorphism in parent bodies of meteorites.

通过对陨石的研究，说明太阳系的形成与演化历史，包括太阳星云的凝聚过程、高温加热熔融事件和低温蚀变过程，陨石母体的热变质作用、熔融分异作用以及冲击变质作用等。

The authors present 5 new observations of the CO(1-0) line emission in planetary nebulae with the 13.

7 m 射电望远镜,对5 个行星状星云给出了新的谱线观测结果。

Tne binary interactions plny an important role in the formation and shaping ofplanetary nebulae(PNe).

在行星状星云形成过程中双星起着非常重要的作用。

Of, relating to, or characteristic of a nebula.

星云的关于或类似星云的

The quality or condition of being nebulous.

星云状态星云的性质或状态

OBSERVATION OF VARIABLES IN OPHIUCHUS SCORPIUS REGION--NEW RAPID VARIABLES AND NEBULAR VARIABLES

蛇夫-天蝎暗云区的变星观测——新快变星及星云变星

kant laplace theory

康德 拉普拉斯星云说

Kant and Laplace nebular hypothesis

康德和拉普拉斯星云说

The spiral nebulae are impressive objects.

旋涡星云是迷人的天体。

International Satellite Cloud Climatology Project

国际卫星云气候学项目

International Satellite Cloud Climatology Project (ISCCP)

国际卫星云气候学计划

The nebulae, he said, were clouds of atoms and dust.

而星云，他说，是由原子和尘埃构成的云。

Meijer transform

梅耶变换 M梅西叶星团星云符号

The remnant nebular gas pervades the interplanetary space.

星云的残余气体充斥星际空间。

The sky is clear and bright without a speck of cloud.

天空晴朗, 一星星云彩也没有。

This suggest that the nebulas are aggregates of stars.

这说明星云是恒星的聚集体。

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

Planetary nebulae are a type of isolated gaseous nebulae possessing a fair degree of bilateral symmetry.

行星状星云是一类孤立的气体星云，具有相当程度的双侧对称性。

The Survey of Segmentation and Central Location of Typhoon Cloud Department;

基于卫星云图的台风云系分割和中心定位研究

A similar dark nebula in the Northern Hemisphere near the constellation Cygnus.

黑色星云北半球接近天鹅座的一种类似黑色星云

The nebulous, luminescent cloud containing the nucleus and constituting the major portion of the head of a comet.

彗发星云状的发光云体包括彗核、彗星头部的重要部分