请输入您要查询的字词:
单词
奥尔特云
释义
奥尔特云
Encyclopedia
理学
哈雷彗星
释
Oort cloud
奥尔特云
1950年,荷兰天文学家J.H.奥尔特根据长周期彗星的轨道特征,认为在离太阳2000~200000个天文单位(AU)处有一个笼罩太阳系的球状包层,其中分布以千亿计的小天体,那里是长周期彗星和哈雷族彗星的诞生地。
Astronomy
Oort cloud
奥尔特云
随便看
three-axis stabilized control
three-axis stabilized platform
three basic critical temperature
three basic requirements for the formation of molecular orbital
Three Battles and Three Victories Cliffside Inscriptions at Dayunshan
three bearing deflection thrust vector
three bearing swivel nozzle
three benevolences of the Yin dynasty
three-body collision
three body force
three-body force
three-body nuclear force
three body potential
three-body potential
three-body problem
three-body recombination
three boxes game
Three Bronze Wares by the King of Zhongshan
Three Bureaus North of Zhangjiakou
three calendars of the different first months
Three Canons of Pure Land
Three Capacity Measures of Zuo Guan
three cardinal guides and five constant virtues
three cardinal temperatures for seed germination of herbage species
Three Cases
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:2025/12/15 22:52:53