The observational data were irrefutable . 這些觀測資料是不容懷疑的。
This is an extraordinary and provocative observational fact . 這是一個不平常的,激動人心的觀測事實。
A number of entirely new experimental and observational methods have grown to maturity . 許多嶄新的實驗和觀察方法已趨成熟。
The paramount task here facing observational astronomy is to study real interstellar clouds . 實測天文學(xué)在這里所面臨的頭等任務(wù)是研究實際的星際云。
In the second quarter of this century, enthusiasm for the observational approach began to wane . 在本世紀(jì)的第二個二十五年中,對觀察法的熱衷開始減弱。
All this was known thirty-five years ago; the great advances since then have come in the observational domain . 所有這些,在三十五年前就已經(jīng)知道了,以后的重大進(jìn)展則是在觀測方面。
There is a positive observational and theoretical basis for believing that neutron stars and black holes follow as a result of supernovae . 中子星和黑洞則是超新星的產(chǎn)物,觀測上和理論上的依據(jù)使我們相信這一點。
It is not a review article or a complete guide to all the recent literature. instead, it comprises a pedagogical package of select theoretical and observational scenaries . 它既不是評述文章,也未涉及全部近期文獻(xiàn),而更象一篇教學(xué)參考材料,精選了一批理論和觀測結(jié)果。
New observational findings give us new insights 然而新的觀測結(jié)果卻給予我們新的啟示。
Observational study on the extra - floral nectary of cherry and peach 櫻桃和桃花外蜜腺的觀察研究