行星是由围绕着年轻恒星旋转的气体和灰尘的盘状物所组成。
Planets form from a disk of gas and dust swirling around a young star.
仙女星座戏弄着双核心——在星座的中心有着两个明亮的区域——认为这是恒星和气体卵形盘的迹象。
Andromeda sports a "double nucleus" - two bright spots at its heart - thought to be a sign of an oval disc of stars and gas.
就它们与恒星的距离而言,其石质行星核恐怕需要极其长的成型时间,以至于在星核能够俘获气体前周围的气态盘恐怕就已经消散殆尽了。
At their distances from the star, the rocky planetary core would have taken so long to form that the gaseous disk would have dissipated before the core could attract the gas.
大约45亿年前,当太阳形成时,就被气体和尘埃的盘状物所围绕。
When the sun formed, some 4.5 billion years ago, it was surrounded by a disk of gas and dust.
当这个盘状物开始合并成为一组原行星时,它们的引力拉动着盘状物周围气体所凝聚的硬块,一起环绕着恒星作轨道运行。
When the disk begins to coalesce into protoplanets, the gravity of those protoplanets pulls clumps of gas around the disk with them as they orbit the star.
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。
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.
中心气体坍缩成黑洞后,会从气盘中吸入更多的气体和尘埃,达到十亿个太阳质量。
As that gas collapsed to a black hole, it pulled in more gas and dust from the disc, bulking up to a billion solar masses.
阀门盘的设立将会给气体设备操作带来更大的方便。
VMP, The valve plate will set up can give the gas facility operation to bring bigger convenience.
气体等离子技术能够用于在引线键合前清洗焊盘以改进键合强度和成品率。
Gas plasma technology can be used to clean pads prior to wire bonding to improve bond strengths and yields.
提出了进气初始分布器与二次气体分布盘的组合模式,并列举了组合模式在大型塔中的应用实例。
The combination pattern of initial gas distributor and secondary gas distributing tray is put forward and its application example in large column was enumerated.
初始均匀的磁场将缠卷而在星系盘中形成螺旋形的结构,其中磁场和星际气体是冻结在一起的。
The initial uniform magnetic field will wind into the spiral structures in the galactic disk, in which the magnetic field and the interstellar gas are frozen together.
风流动的热点区域内的尘埃,气体吸积盘周围的黑洞。
That wind flows in from the hot inner regions of the dusty, gaseous accretion disk surrounding the black hole.
激变星涵盖了巨星上气体物质掉入环绕著其巨大且紧实的白矮星,而产生围绕白矮星的吸积盘。
Cataclysmic variables involve gas falling from a large star onto an accretion disk surrounding a massive but compact White Dwarf star.
这两种流动都表明,吸积盘的高温区域都位于过渡区中,而外部区域中气体温度不高。
Both flows show that the high temperature gas in the accretion disk locates in the transition region, and the temperature of gas in the exterior region of accretion disk is not high.
正在下落的气体不但会先和自身发生碰撞,还会和黑洞周围盘旋着的物质吸积盘相互碰撞。
Infalling gas may first collide not only with itself but with an accretion disk of swirling material surrounding the black hole.
阀门盘的设立将会给气体设备操作带来更大的方便。
VMP (valve Manifold Panel), the valve plate will set up can give the gas facility operation to bring bigger convenience.
在固定盘的中心有一个孔,气体可以经塑胶软管由中空手柄接口进入。
There is a bore in the middle of the clamping plate so that air can be blown-in via handle.
详细分析了整数圈数双头涡旋齿涡旋盘所受的切向力气体力、法向气体力、轴向气体力,提出了在任意曲轴转角下的各种气体力及各个工作腔容积的计算公式。
On the basis of the analysis of each gas force in the twin - scroll compressors, the calculation formulae of working volume and each gas force at all different crankshaft angles were derived.
类似的效应也会出现在恒星周围的残馀盘,以及螺旋星系周围的气体圆盘上。
A similar effect flattens the debris disks around stars and the gaseous disks of spiral galaxies.
实验结果表明气体挤压膜具有较大的承载能力,承载能力取决于激振振幅、悬浮盘表面积等。
Results show that the gas squeeze film could induce large levitation force, which depends mostly on the amplitude of excitation, surface area of floating disk, etc.
实验结果表明气体挤压膜具有较大的承载能力,承载能力取决于激振振幅、悬浮盘表面积等。
Results show that the gas squeeze film could induce large levitation force, which depends mostly on the amplitude of excitation, surface area of floating disk, etc.
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