Within our own galaxy there are probably tens of thousands of planetary systems. 在我们自己的星系里可能有数以万计的行星系。
The whole field of planetary gear transmission is dealt-with. 里基本上涉及了渐开线行星齿轮传动的整个领域。
Modeling of spur And Helical Gear Planetary Drives With Flexible Ring Gears And Planet Carriers 带有柔性齿圈和行星架的直齿和斜齿行星传动的模拟
Within the scope of a study, miscellaneous variants of planetary and dual clutch transmissions were compared. 我们所论证的这一项研究,将对各种变型的行星变速器和双离合变速器进行比较。
This is a milestone in the search and characterisation of planetary systems around stars. 这是此类研究中的一个重大事件,突出了恒星周围的行星系统。
Using this method, we can protract vector analysis atlas of planetary gear drive mechanism. 应用此方法,可定性地绘制出行星齿轮传动机构速度分析图谱。
Multiple objective optimizing design of a new planetary bevel gear drive device with small teeth difference and inclined plate; 对斜盘式锥齿少齿差行星减速器的一些重要传动元件的制造方案进行了系统研究和论证。
Planetary gear systems are also used in many automatic transmissions. 行星齿轮组也同样用于许多汽车变速器中。
Capacity and Efficiency Analysis on a Compound Planetary Worm Gearing 复合行星蜗杆传动机构的承载力和效率分析
With such a heavy barrage of planetary fireworks, it will be hard to avoid obstacles. 有了这样一个沉重的烟花弹的行星,这将是难以避免的障碍。
The Marine Science program is offered jointly through the departments of Earth and Planetary Science and Integrative Biology. 海洋科学计划有地球和行星科学学部和交互生物学部共同提出。
A new type gear flowmeter& the third type planetary flowmeter was designed. 设计了一种新型结构的流量计&三型行星齿轮流量计。
Study of Planetary Gearbox and Finite Element Analysis of Planetary Gear for Multi-megawatt in Wind Turbines 多兆瓦级风力发电机行星齿轮箱的研究和行星齿轮的有限元分析
Based on the result of wheel-soil analysis, a low-density sandwich composite wheel of planetary rover was designed. 根据分析结果,提出了利用低密度的夹层复合材料制造探测车车轮的设计思想。
Robots and humans in planetary exploration: working together? 星际探索中机器人与人类如何共同合作?
Most planetary orbits are not circles but ellipses. 大多数行星的轨道不是圆的而是椭圆的。
Modern design method of the running mechanism of planetary wheel is introduced in this article. 介绍了行星轮式行走机构的设计。
It also suggests that there's "an incredible diversity in the structure of planetary systems," he says. 他说,该发现还表明,行星系统在结构上存在令人难以置信的多样性。
Planetary perturbations make the earth's orbit about the sun irregular. 行星的摄动使得地球绕太阳的轨道是不规则的。
The communication characteristics of a reconfigurable planetary exploration multi-robot system are analyzed. 摘要分析了一种可重构星球探测系统中多机器人通信的特点。
Study on characteristics of vibration and noise of plastic planetary gear system 塑料行星齿轮系统振动与噪声特性的研究
New discoveries about Uranus excited planetary astronomers in 1977. 一九七七年对天王星的几项新发现振奋了行星天文学家。
Planetary-stage gear is mainly composed of sun wheel, planetary gear, internal ring gear, etc. 行星级齿轮传动主要由太阳轮、行星轮、内齿圈等组成。
The lever analogy used in analyzing planetary transmission has been perfected and further developed in this paper. 本文对用于行星式变速器分析的杠杆模拟法进行完善和拓展。
A novel reconfigurable planetary robot system is presented. 介绍了一种新型可重构星球探测机器人系统。
Many objections can be raised to this picture of planetary nebula formation. 形成行星状星云的这一图象可能会引起许多异议。
Transmission; Planetary gear train; Lever analogy; Dynamic model; 变速器;行星轮系;杠杆模拟法;动力学模型;
We make clear right now, that we are peaceful races of beings from different planetary systems and dimensions. 我们现在要说清楚的是,我们是爱好和平的种族,来自不同的行星系统和维度。
Galileo's telescope and Kepler's planetary theory were the birth of modern astronomy; 伽利略的望远镜和开普勒的行星理论是现代天文学的起源;
The planetary influence was that you call Venus. 这个行星的影响力你们称为金星(Venus)。