1.
The central or brightest part of a nebula or galaxy.
核星云或银河的中心或最亮部分
2.
Comparison of the Nucleosynthesis Parameters of s+r Stars and Ba Stars;
s+r星和钡星核合成参数及分布比较
3.
Quasars are the highly energetic cores of distant galaxies.
类星体是遥远星系的极为活跃的核心体。
4.
The Collapse of the Molecular Cloud Core in the Formation of the Star and Planet;
恒星与行星的形成过程中的分子云核坍塌
5.
The Mass Relation between the Black Hole and the Bulge for AGN;
活动星系核中黑洞与核球质量关系研究
6.
a satellite with sensors to detect nuclear explosions.
有探测核辐射的传感器的卫星。
7.
The central portion of the head of a comet.
彗核彗星头部的中心部分
8.
In the meantime the protoplanet cores were proceeding to consolidate.
在此期间，原行星的核开始凝成。
9.
On Saturday morning, all the students will be tested for tuberculosis.
星期六上午，学生接受结核病的检查。
10.
the disintegration of a nuclear-powered satellite
一颗核动力卫星的破碎解体
11.
a thermonuclear reaction in the interior of stars.
在恒星内部发生的一种热核反应。
12.
Researches on Gamma-ray Emission Mechanism in Active Galactic Nuclei;
活动星系核的伽玛射线辐射机制研究
13.
Study on Synthesis and Properties of Multi-Arm Star Polymers;
星型核—多臂聚合物的合成与性能研究
14.
Nuclear Factor-κB in Proliferation and Apoptosis in Rat Hepatic Stellate Cells;
核因子κB与肝星状细胞增殖及凋亡
15.
Investigation of the Absorption in Active Galactic Nuclei Using VLBI;
利用VLBI研究活动星系核中的吸收
16.
Accretion and Jet Physics in Low Luminosity Active Galactic Nuclei;
低光度活动星系核的吸积和喷流研究
17.
AGB Star Evolved Characteristic and Heavy Element Nucleosynthesis;
AGB星的演化特征及其重元素的核合成
18.
System Structure Research of Core Competence for Star-hotel in China;
我国星级酒店业核心竞争力体系研究