查询词典 planetary

Its elevator is a combination of friction cone and planetary wheel, which features in advanced structure and good shock resistance.

采用摩擦锥与游星轮组合式升降机，结构先进，冲击性好。4。

The bearing of planetary axis includes cone-shaped roller bearing and the needle bearing that carry cage.

行星轴的轴承包括锥形滚柱轴承和带保持架的滚针轴承。

It is rare to see a confluence of planetary energy like we had last month.

像上个月的行星力量的影响是十分罕见的。

Hipparchus and Ptolemy made use of the work of Apollonius to develop mathematics for their epicycle models of planetary motions, while the epicycle model is not correct, the theory of conic section did have a great deal of influence on Kepler famous

Hipparchus和托密勒利用了这套理论来发展行星运动的本轮模型。

The system includes a gearbox (40) and first and second planetary gearset assemblies (42,44) connectable between an output shaft (36) of the motor and a drive shaft (38) of the pump.

该系统包括齿轮箱以及可连接在马达输出轴和泵的传动轴之间的第一和第二行星齿轮组组件。

Starting from the conditions of law of conservation of energy and angular momentum,how to deal with simple disposal of several physical equations of the planetary motion by applying the elementary mathematical equations is proposed.

从角动量和能量守恒定律出发，建立行星椭圆运动的轨道方程，导出行星运动时的各个物理量表达式，从而给出了一种以初等数学为基础的处理行星运动的简洁方法。

Astronomers have partially solved the problem of looking at objects near to a star's bright glare by inventing the coronagraph, which focuses all the incoming light around a dark spot in the telescope's innards, neatly clipping off most of the central starlight and passing on much of the planetary glow.

天文学家用日冕仪一定程度上解决了观测恒星强光附近物体的难题。日冕仪精巧地阻挡了进入望远镜中央区域的绝大部分恒星光，让更多的行星光进入望远镜。这样一来，日冕仪就能专注于分析望远镜内部圆形黑暗区域周围的入射光。

Astronomers have partially solved the problem of looking at objects near to a star's bright glare by inventing the coronagraph, which focuses all the incoming light around a dark spot in the telescope's innards, neatly clipping off most of the central starlight and passing on much of the planetary glow

日冕仪精巧地阻挡了进入望远镜中央区域的绝大部分恒星光，让更多的行星光进入望远镜这样一来，日冕仪就能专注于分析望远镜内部圆形黑暗区域周围的入射光。

Though the planetary population has fluctuated during the decades of the Galactic Civil War, it numbered over 15 billion, with Coronet being the largest single concentration of citizenry.

虽然行星的人口数量在银河内战的数十年间起伏不定，但总是维持在150亿以上，宝冠城成为了人口最集中的地区。

Using diamond-anvil cells, high-pressure research is emerging as a new dimension covering physics, chemistry, Earth, planetary and materials science. The symbiotic evolution of synchrotron technology adds powerful probes for in-situ observations.

钻石对顶砧的使用为涵盖物理、化学、地球、行星和材料科学的高压研究开辟了新的研究领域；与此同时，同步辐射技术的发展更为高温高压环境下的直接观察增添了强有力的探测手段。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了