Uranus is circled by a blue ring - a colour that makes it almost unique among planetary rings, which are usually red.
行星光环通常为红色，这使得天王星的蓝色光环显得独树一帜。
L the Ring nebula in Lyra is the best-known of the planetary nebulae.
l天琴座中的环状星云是最著名的行星状星云。
This particular planetary nebula, pictured above and designated Shapley 1 after the famous astronomer Harlow Shapley, has a very apparent annular ring like structure.
上图中的行星状星云叫做Shapley1以著名天文学家Harlow Shapley的名字命名，它有非常明显的环状结构。
The internal teeth of the ring gear mesh with the planet gear teeth. Thus, the ring gear rotates with the other parts of the planetary gear system.
内齿圈的内齿与行星轮的齿啮合。因此，内齿圈随着行星轮系统的其他配件旋转。
On the basis of analyzing and discussing the structural theory of Three-Ring gear reducer, this dissertation gave a new scheme of planetary gear reducer with few teeth difference.
本文在分析和讨论了现有的外平动三环减速机结构的基础上，提出了一种新的内平动少齿差行星减速机的结构方案。
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 three ring typed planetary reducer with less teeth difference is a kind of new typed transmission of less teeth difference with many advantages.
三环式少齿差行星齿轮减速器是具有很多优点的一种新型少齿差传动。
Planetary scientists will be studying ring images taken near equinox to help better understand the dynamics and particle size distribution of the Solar system's most extensive ring system.
未来行星颗学家会持续研究春分点前后的影像，进而了解这个太阳系内拥有最大行星环的行星，动力成因与粒子分布特征。
They appear in industrial processing, such as semiconductor manufacturing, and also in planetary environments, such as in Saturn's B ring.
粉尘电浆出现在一些工业加工过程中，如半导体制造，也出现在天体环境中，如土星B环。
The three-ring internal gear reducer(TRIGR) in this article is a new type transmission which have been developed on the basis of involute few teeth difference (FTD) planetary transmission.
本文中的新型内三环减速器是在渐开线少齿差行星传动的基础上开发的一种新型传动装置。
Three-ring gear transmission is a novel type of planetary transmission with small tooth number difference, which was invented by a Chinese engineer.
三环传动是我国科技人员发明的新型的少齿差行星传动装置。
DC micro motor deceleration planetary gear reducer the models used for power tools, electric doors and Windows, painting light box advertising ring, instrumentation, and other transmission equipment.
微型直流行星齿轮减速器减速电机该型号产品多用于电动工具，电动门窗，环画灯箱广告，仪器仪表以及其他传动设备。
On the basis of analyzing and discussing the structural weakness of Three-Ring Gear Reducer, this dissertation gives a new scheme of planetary gear reducer with few teeth difference.
本文分析和讨论了现有的三环减速机在结构上存在的缺陷，并针对三环减速机的缺陷提出了一种新的改进方案。
The non-beam pumping unit of planetary gear-ring type is a kind of new non-beam pumping unit.
行星齿环式无游梁抽油机是一种新型的无游梁抽油机。
Based on the meshing analysis of planetary gear and inner gear-ring, the angular velocity and angular acceleration calculation model of the rod is established.
在分析行星轮与内齿环各段啮合情况的基础上，建立了行星齿环换向机构中系杆的角速度和角加速度计算模型。
In this thesis, the author performed further study on the non-beam pumping unit of planetary gear-ring type based on the previous study.
本文在先期研究的基础上对行星齿环式无游梁抽油机进行了更加深入的研究。
The kinematic analysis model has set up for planetary gear-ring inverse mechanism.
建立了详细的行星齿环换向机构运动学分析模型；
Based on the meshing analysis of planetary gear and inner gear-ring, the velocity and acceleration calculation model of the slider is established.
在分析行星轮与内齿环各段啮合情况的基础上，建立了行星齿环换向机构中齿环滑块的速度和加速度计算模型。
The load of planetary bearings and the moment in the high speed shafts are analyzed and some suggestions about the structure type and design parameters of the three ring reductor were a…
建立了含有虚约束的多相并列平行曲柄机构受力分析模型。在此基础上分析计算了三环减速器的轴承载荷和高速轴曲柄上的转矩；
The load of planetary bearings and the moment in the high speed shafts are analyzed and some suggestions about the structure type and design parameters of the three ring reductor were a…
建立了含有虚约束的多相并列平行曲柄机构受力分析模型。在此基础上分析计算了三环减速器的轴承载荷和高速轴曲柄上的转矩；
应用推荐