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...
豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General.他谨慎地瞥了一眼房间里的其他人。He glanced discreetly around the room at the other people.那两个记者谨慎地保持距离跟在后面。The two journalists followed a...
The wheels of the toy car were fixed on metal rods.玩具车的轮子固定在金属棒上.May I look at your toy car?能看一下你的玩具汽车 吗 ?The child was trailing a toy car on a string.小孩用绳子拖着一辆玩具车....
电瓷材料的静疲劳和动疲劳存在相似的关系.Similar correlation is essential also for static and dynamic fatigue of electrical porcelain material.用途: 用于电瓷产品 ( 棒形 、 套管 ) 的切割或倒角.Usage: it is suitable for procelain products ( bar, sleeve ) to cutt...
The future of the island is bound up with the fortunes of the ruling power.这个岛的前景与其掌权者的命运息息相关。Diligence and thrift made him a possessor of warm fortunes.勤俭使他成为富翁.Industrial unrest and cheaper imports played their part in...