ephemeris
英 [?'fem(?)r?s; -'fi?m-]
美[?'f?m?r?s]
詞態(tài)變化
復(fù)數(shù):?ephemerides;
英文詞源
- ephemeris (n.)
- table showing predicted positions of heavenly bodies, 1550s, Modern Latin, from Greek ephemeris "diary, journal, calendar," from ephemeros "daily" (see ephemera). The classical plural is ephemerides.
雙語(yǔ)例句
- 1. GPS ephemeris data interpolation, using Lagrange, Newton's Law, which is good information!
- GPS星歷內(nèi)插資料, 分別采用拉格朗日, 牛頓法, 是不錯(cuò)的資料!
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- 2. Using the precise ephemeris and the precise satellite clock correction can realize precise point positioning ( PPP ) .
- 精密 單點(diǎn) 定位的實(shí)質(zhì)就是利用精密星歷和精密衛(wèi)星鐘改正來實(shí)現(xiàn)定位.
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- 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一的.
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- 4. The broadcast ephemeris, which is the basic of satellite navigation, must be precise and real time.
- 導(dǎo)航衛(wèi)星廣播星歷是衛(wèi)星導(dǎo)航定位的基礎(chǔ), 要求有較高的精度和實(shí)時(shí)性.
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- 5. The coordinates of the satellites are got according to the broadcast ephemeris received.
- 衛(wèi)星的坐標(biāo)是根據(jù)接收到的廣播星歷來計(jì)算的.
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