查询词典 planetary

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。

Mankind faces "a planetary emergency", he said; a crisis that threatens the survival of our civilisation and the habitability of the Earth.

他说人类正面临"星球危机"，"一个威胁着人类文明延续和地球可居住性的紧要关头"。

Computers -- the gizmos themselves -- have far less to do with techie enthusiasm than some half-understood resonance to The Great Work: hardwiring collective consciousness, creating the Planetary Mind.

计算机——它本身就是个新东西——跟技术人员的热情关系并不大，却与对这项伟大工作一知半解的共鸣有着密切关系。这项伟大的工作就是通过把集体意识硬件化，创造出某种星球之脑。

Newton showed that the motions of objects on Earth and of celestial bodies are governed by the same set of natural laws by demonstrating the consistency between Kepler's laws of planetary motion and his theory of gravitation, thus removing the last doubts about heliocentrism and advancing the scientific revolution.

他通过论证开普勒行星运动定律与他的引力理论间的一致性，展示了地面物体与天体的运动都遵循着相同的自然定律；为太阳中心说提供了强有力的理论支持，并推动了科学革命。

In order to accelerate the leaching rate of zinc in alkaline solutions, QM-1SP type planetary ball mill was used to enhance the leaching of hemimorphite from Lanping, Yunan Province in NH3-NH4Cl solutions.

摘 要：为了提高异极矿在碱性溶液中的浸出效率，采用QM-1SP行星球磨机对云南南坪异极矿进行机械活化强化浸出研究。

Based on these researches, the hollow planetary roller design method of using the hollowness as main parameter is proposed.

进而，结合对行星滚子的弯曲疲劳的讨论，提出了以滚子空心度为主参数的中空行星滚子设计方法。

Planetary gear transmission Impactive dynamic load Libration Optimal design

行星齿轮传动；冲击动载荷；振动；优化设计

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"