请输入您要查询的字词:
单词
太阳系的稳定性问题
释义
太阳系的稳定性问题
Encyclopedia
理学
天体力学定性理论
释
problem of stability of solar system
太阳系的稳定性问题
天体力学定性理论和天体演化学的一个基本问题。主要研究由大行星和太阳组成的力学系统在长时间内(至少几十亿年)是否能够保持稳定,具体地说就是每个大行星瞬时椭圆轨道的形状和大小是否都能长时间保持基本不变,不致发生某些大行星逃逸、堕入太阳或互相碰撞等现象。这个问题尚未得到彻底解决。
随便看
assessment
assessment center method
assessment for environmental policy
assessment for learning
assessment interview
assessment & management of fishery resources
assessment model
assessment model of network public opinion
assessment of activities of daily living
assessment of activities of daily,ADL
assessment of activity of daily living for elderly
assessment of agricultural policy
assessment of agroclimatic resources
assessment of agrometeorological disasters
assessment of aircraft materiel airdrome maneuve
assessment of aircraft materiel operational readiness
assessment of aircraft turnaround
assessment of aphasia
assessment of/as/for learning
assessment of attention
assessment of basic activity of daily living
assessment of brain function
assessment of central officials
assessment of child nutrition status
assessment of climate change risks
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/4/16 6:04:17