observation n. 1.觀察,注意;觀察力;?望。 2.觀測,實測;【航?!繙y天;【軍事】觀測,監(jiān)視,偵察。 3.(觀察得的)知識,經(jīng)驗;〔pl.〕觀察[觀測]報告[資料]。 4.經(jīng)驗談,講話,談話;評述,按語,短評,意見 (on)。 5.〔口語〕發(fā)言,言論。 a man of no observation 沒有觀察力的人。 an expedition of observation 觀察隊。 sampling observation 抽查。 service observation 業(yè)務(wù)檢查。 a witty [foolish] observation 聰明[糊涂]話。 come [fall] under one's observation 看見,瞧見。 keep a suspect [patient] under observation 監(jiān)視[觀察]一個可疑的人[病人]。 make a few observations on 簡單談?wù)剬Α膸c看法。 take an observation 【航?!繙y天。
Despite the moon's rotational and orbital periods being exactly locked, we may actually observe about 59 % of the moon's total surface with repeated observations from earth due to the phenomena of librations and parallax 盡管完全地被鎖的月亮的回轉(zhuǎn)而軌道的期數(shù),我們由于振動和視差的現(xiàn)象可能實際上用來自地球的重復(fù)的觀察觀察大約59%月亮的完全表面。