查询词典 planetary wave

The relationship between unit amount of feed and transmission ratio of planetary gear train was analyzed.

针对多头多刀锁盖机构，详细讨论了多刀锁盖机构的行星轮系传动比等参数对锁盖质量的影响，分析了传动比与进给量的关系。

The mechanical transmis-sion is composed of high precision gearwheel and gear bar together with germany made low clearance and peg-free planetary gearwheel reducer. the mechanism is equipped with automatic clearance compensation device, which enables a clearance-free transmission and ensurea teh good performance and precision of the cutting machine.

机械传动采用高精度齿轮齿条及德国原装低隙免键行星齿轮减速器，机械结构增设自动补偿齿隙装置，使之做到无隙传动，保证了切割机良好的使用性能和精确度。

The related parameters are confirmed through analyzing geometric sliding rate of planetary disk with curve generatrix.

改进了恒功率型行星锥盘无级变速器的加压及调速机构，获得了更好的加压特性，改善了调速性能。

The phenomena under investigation are often vexingly complex, and they engage a large array of scientific disciplines: Geology, Geophysics, Geochemistry, Geobiology, Physical and Chemical Oceanography, Meteorology, Atmospheric Chemistry, and Planetary Science.

我们所调查研究的现象通常十分的复杂，因此需要众多学科专业知识的配合：地质学、地球物理学、地球化学、地球生物学、海洋物理学与海洋化学、气象学、大气化学和行星科学等。

The Geological Society of America dedicates to the advancement of the geosciences, including mineralogy, astrobiology, physiology, geobiology interface, biochemical cycling, geochemistry, planetary geology, engineering geology, coal geology, and archaeological geology so on.

美国地质协会致力于促进地球科学的发展，包括矿物学，太空生物学，物理学，地理物理学界面，生物化学循环，地球化学，行星地质学，工程地质学，煤的地质学，和考古地质学等。

According to its theoretical model of the true geocentric longitude, the astronomical meaning of planetary theory in ancient China is revealed.

根据构建的行星地心平黄经的理论模型，分析了传统历法中对行星的平视运动推算的精度；又利用行星之地心真黄经的理论模型，探讨了中国古代行星算法模型的天文意义。

The symmetry of the planetary relief is broken in the western Pacific where the geoid surface is uplifted.

在西太平洋中，星球地势起伏的对称受到破坏，那里的地球体表面受到抬升。

Because of the limitations of the method for kinematic analysis and efficiency calculation of planetary gear trains,a graphic method was proposed.

针对现有的行星齿轮系运动学分析和效率估算方法存在计算复杂的问题，提出了一种图形解析法。

The habitability of Mars, Europa and Titan, other planetary systems, the co-evolution of life and its host planet, and the evolution of intelligence.

下半部覆盖地球上的生命，火星的可居住性，木卫二和土卫六，其他行星系统，共同进化的过程和演变情况等。

The UCLA Center for Astrobiology focuses on four themes:(1) Extrasolar Planetary Systems;(2)Habitability within the Solar System;(3) Earth's Early Environment and Life;(4) Evolution of Biological Complexity.

其研究包括四个主要方向：太阳系以外的行星系统，太阳系的可居住性，地球早期环境和生命，生物复杂的演化过程。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切