In this paper,we vertify the existence of the direct limit between semirings direct system {Ri:i∈Ω} and canonical morphisms of semirings δi:Ri→R;αa α/ξ.
主要证明了在半环正向系{Ri,iγj;Ω}及半环态射iδ∶Ri→R(其中iδ∶αaα/ξ)下正向极限limRi的存在性并研究了在某些条件下正向极限R与半环族Ri(i∈Ω)之间可保留的性质。
3. An algorithm for classification of galaxy spectra is proposed, which divides thegalaxy spectra into normal galaxy and active galaxy spectra.
3.提出了一种新的星系光谱分类方法,将星系光谱分为正常星系和活动星系.
Normal matter and galaxy cluster is mostly in the form of hot gas and stars.
正常物质和银河系主要在热气体和星星形式中。
The attitude control system (ACS) ensures the satellite to keep running normally.
姿态控制系统是卫星得以持续正常工作的保证。
Matter comes from the norrna. 1 star in a binary system can be caught by the gravitational field of the compact star.
来自双子系统正常恒星的物质，会被压缩星体的重力场所捕获。
and they may even influence the lives of normal, peaceful galaxies of the sort that humanity is lucky enough to inhabit.
而且星群爆发甚至可能影响那些正常平静的星系的生命，这些星系上也许恰好有人类居
Japan says it will hold talks with North Korea next week on normalizing relations.
日本表示，下星期将就关系正常化问题与北韩举行会谈。
US Cassini Spacecraft Runs Well on Mission to Study Saturn
美土星探测飞船卡西尼号运行正常
A complete return to normality may take weeks.
完全恢复正常状态可能需要多个星期。
China and Japan:Establishment and Normalization of Diplomatic Relations;
中国与日本:邦交正常化与关系正常化
Our galaxy is on a collision course with the Andromeda galaxy.
我们的星系刻正移向与仙女座星系碰撞之途。
Galaxies as a rule associate into orbiting clusters and groups.
星系通常围着（系）簇或群组而轨道绕行。
Relation between the two countries have is restored to normal.
两国关系已恢复正常。
Relations could not return to normal.
关系无法恢复正常。
Our relationship has been normalized.
我们的关系正常了.
Relation between the two countries have be restored to normal
两国关系已恢复正常
The running of the operating system is normal.
操作系统的工作正常
Are your waterworks all right?
你泌尿系统正常吗?
the Permanent Normal Trade Relations)
永久性正常贸易关系