在中期Ⅰ8对染色体的分布是无秩序的.The eight chromosomes were randomly distributed at metaphase I.只要随随便便地看一下,就会发现这间办公室多么漫无秩序.It needed only a casual inspection to realise how badly the office had been kept.从他的左边到右边,物体无秩序地摆置.To the left a...
sidereal day恒星日(23时56分)Tropical year, and sidereal year are two different concepts.回归年与恒星年是不同的两个概念.sidereal hour恒星时(恒星日的 1/24)sidereal time恒星时sidereal year恒星年(365日6时9分9秒)The sidereal year is not used to construct a calen...