查询词典 ephemerides
- 与 ephemerides 相关的网络例句 [注：此内容来源于网络，仅供参考]
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During the time he searched for comets, especially in the early and middle periods, Zhou found 20 comets independently and observed many known comets, despite having little access to comet ephemerides (A'lashankou, Bole is a remote place where transportation and communication are difficult). On 1985 Oct. 17, he independently discovered the comet C/1985 R1, and this achievement was honored by the Purple Mountain Observatory as the first Chinese amateur finding since the founding of the People's Republic of China.
这期间，特别是在他的寻彗早、中期，在没有任何有关彗星信息的情况下（阿拉山口，博乐是个交通，通讯不畅的地方），周兴明先生独立找到20颗彗星和观测了许多已知的彗星。1985年10月17日他独立找到的彗星C/19851(C/1985R1， Comet Hartley-Good)被我国紫金山天文台的专家誉为&新中国成立后的第一个业余发现&。
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Today computers calculate the ephemerides.
如今计算机可以测算历书。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。