英 [?'fem?r?s] 美 [?'fem?r?s]
n.星歷表，歷書，短命的東西
復數： ephemerides
雙語例句
1. GPS ephemeris data interpolation, using Lagrange, Newton's Law, which is good information!
GPS星歷內插資料, 分別采用拉格朗日, 牛頓法, 是不錯的資料!
2. Using the precise ephemeris and the precise satellite clock correction can realize precise point positioning ( PPP ) .
精密 單點 定位的實質就是利用精密星歷和精密衛星鐘改正來實現定位.
3. Until the Eastern Han Dynasty, historian with the ephemeris officer is always unity.
直到東漢, 史官與星歷官始終是合壹的.
4. The broadcast ephemeris, which is the basic of satellite navigation, must be precise and real time.
導航衛星廣播星歷是衛星導航定位的基礎, 要求有較高的精度和實時性.
5. The coordinates of the satellites are got according to the broadcast ephemeris received.
衛星的坐標是根據接收到的廣播星歷來計算的.
almanac
英 [?:lm?n?k] 美 [?lm?n?k, ?l-]
n.歷書； 年歷； 黃歷； 年鑒
復數： almanacs
雙語例句
1. He would resume pacing the courtyard and reading the almanac.
於是他又捧了那本歷書,在廊下徘徊起來.
2. His speeches are generalities from Poor Richard's Almanac.
他的演講是出自老皇歷的老生常談.
3. A nautical almanac gives information about the sun, moon, tides, etc.
航海年歷中有日 、 月 、 潮汐等的資料.
4. Joe sent away for a free almanac.
喬寫信去要壹份免費贈閱的年歷.
5. And then the almanac lied, and said that spring had come.
日歷牌撒謊, 說是春天已經來到了.