Previous images of the Ring Nebula taken by visible-light telescopes usually showed just the inner glowing loop of gas around the star.
以前由可见光望远镜拍摄的星云环仅仅显示出其内部的环绕着恒星的炽热气体环。
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.
极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。
The ring of stars saps the momentum of incoming gas, so it spirals in towards the black hole.
恒星环耗尽了引入气体的动量，所以气体就会向着黑洞盘旋地行进。
I put the kettle on the gas ring and then went away and forgot about it.
我把壶放在煤气灶上，然后就走开把这件事忘掉了。
Current theories suggest two ways in which a gaseous, dusty ring around a young star can form into gas-giant planets.
现有的理论提出了两条途径来解释在一个由气体尘埃环围绕的年轻恒星周围如何形成气体巨型行星。
Crowds eddied in the darkness around card-sharp tables, ring-toss stalls, hawkers selling snails in broth under flickering gas torches, and the main attraction – a rickety wooden “Wall of Death”.
在黑暗中，赌牌摊，掷环摊四周人头挤挤，闪烁的煤气灯下，小贩在叫卖蜗牛汤。
Astronomers estimating the apparent age of the ring to be around 5, 000 years, also find more distant gas clouds perpendicular to the ring plane, seen here at the upper left and lower right.
天文学家推测该环的表面年龄大约在5000年左右，还发现垂直于该环形行星有着距离更远的气体云，图中就是左上和右下的部分。
The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
利用宏观分析、显微检验、硬度测试和装车试验等手段，对引进奥地利重型汽车内齿圈按照新的气体氮碳共渗工艺处理后的质量进行了研究。
It is about the ring screw thread smoke channel of the boiler shell type gas tube in the boiler field.
锅壳式烟管锅炉烟管内置水管的环形螺纹烟道，它涉及锅炉领域。
In addition to balance vortex internal pressure of compressed gas beyond, still provides top and bottom sealing force between the slot, the sealing force to achieve by floating sealing ring.
除了平衡涡旋内部压缩气体压力以外，还提供了顶端和底槽间的密封力，该密封力靠浮动密封圈来实现。
There's something wrong with our gas ring. We have to lunch out today.
我们的煤气灶坏了，今天只好到外面去吃午饭了。
In this image, the bright central star is in the middle of the green ring of gas.
在这张图片里面，中间明亮的行星处在绿色气体组成的环形的中间。
The gas flow in the gain tube is one of the main error sources in ring laser gyros.
增益管中气体的流动是激光陀螺中的一项主要误差源。
After PTFE Glyd ring was used in piston seals of hydraulic cylinder of electro-hydraulic hammer, the gas pressure rose because oil entered into gas chamber.
电液锤液气缸活塞密封采用由PTFE制造的格莱圈密封，在使用中液压油会窜入气腔，导致气体压力升高。
When handling saturated vapor-gas mixtures the liquid ring acts as a condenser, greatly increasing the effective capacity of the pump.
当处理饱和蒸汽混合物时，液环也可以作为冷凝器，从而大大增加泵的有效功率。
For gas lasers a helical resonator with coaxial ring discharge structure is proposed, and the theoretical analysis is given.
提出了一种适用于同轴环形放电结构气体激光器的环形螺旋谐振腔，并给出了理论分析。
The ring is huge, and far from the gas planet and the rest of its majestic rings.
这个环非常庞大，远离气态巨星和它的主要光环。
In short, because of water ring pump gas compression is isothermal, and it can be pumped in addition to flammable and explosive gases.
总之，由于水环泵中气体压缩是等温的，故可以抽除易燃、易爆的气体。
In short, the water ring vacuum pump in the gas compression is isothermal, and it can be pumped in addition to flammable and explosive gases.
总之，由于水环式真空泵中气体压缩是等温的，故可以抽除易燃、易爆的气体。
The tapered windscreen flow field of the fan is composed of the outer ring turbulent jet and the inner sink, which tightly closes gas and dust to ensure the safety production.
风扇环形外腔产生的正压湍流射流在内腔负压汇流作用下形成锥形风幕流场，将处于流场范围内的气体及粉尘严密封闭起来，使安全生产得到保障。
Only 2—4 ring PAHs were detected in gas phase, and phenanthrene was the most abundant with an average of 55.1% in total PAHs.
结果显示，气相中主要是2—4环的多环芳烃，其中菲为主要的化合物，平均占到总多环芳烃的55.1%。
At a Sinopec gas station near the North Fourth Ring Road in Beijing on Tuesday evening, Chu Yuanxi said he only drives one day a week and normally takes buses or the subway.
周二晚上，北京北四环附近的一个中石油加油站，楚袁熙告诉记者，他一周只开一次车，其他时间都是坐公交或地铁。
The fundamental function of the electron structure of the ring skeleton and the influence of central atoms and substituents on gas-sensitivity is illustrated.
阐述了酞菁环的电子结构是其具有气敏性的基础，讨论了配合物中的中心原子和取代基团对配合物气敏性的影响。
This paper presents the design principle, structure, function and application range tor a new SF6 gas insulation ring-network cabinet and three-position load switchgears.
文章介绍了一种新型SF_6气体绝缘环网柜及三工位负荷开关的设计原理、结构、功能和应用范围。
A ring resonator scheme suitable for coaxial gas lasers is put forward. The design and the beam propation characteristics in the resonator are given.
本文提出了一种适用于同轴放电气体激光器的环形腔方案，给出了这种腔的设计和光束特性。
The gas flow in the gain medium is one of the main error sources in ring laser gyros.
气体增益介质的流动是激光陀螺中的一项主要误差源。
The cooling liquid or cooling gas directly acts on the tooth ring to reach good cooling effect and ensure the crushing of heat sensitive materials.
本发明的冷却液体或冷却气体直接作用到齿圈上，达到良好的冷却效果，保证了热敏性物料的粉碎。
The structure and properties of ring (position sensitive) gas filled detector were described.
本文介绍了环形(位置灵敏)充气探测器的结构及性能。
2skw series two-stage water (liquid) ring compressors adopt double mechanical seal; the material for mechanical seal shall be defined according to the pressured gas nature.
2skw系列两级水(液)环压缩机通常为双端面机械密封，机械密封的材料可根据压缩气体的性质具体确定。
Based on a lot of experimental analysis and field tests, the states of bubble flow, plunger flow, ring film flow, fog flow lied in gas-water phases in wellbore are summarized.
本文通过几年来大量的实验分析和现场试验，总结出气水两相在井筒内主要存在气泡流、柱塞流、环膜流、霉状流。
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