It is only since the 1980s that much attention has been given to the phenomenon.
只是从80年代以来,人们才很重视这一现象。
In the files he states, "It is only since I left the MOD (in 1977) that I have seriously tried to consider what may possibly lie behind the 'UFO phenomenon'."
文件指出:“只有在我离开了国防部(1977年),我才得以认真的思考‘U FO现象’背后可能隐藏的秘密。”
In the files he states, "It is only since I left the MOD (in 1977) that I have seriously tried to consider what may possibly lie behind the 'UFO phenomenon'."
文件中指出:“只有在我离开了国防部(1977年),我才得以认真的思考‘U FO现象’背后可能隐藏的秘密。”
He is only the second African to win the prize since it was established in nineteen eighty-six.
VOA: special.2009.06.16
This is only true for an ideal gas. Since it's true for an ideal gas, then we can go ahead and replace this with Cv, and then we have Cp=Cv+R Cp with Cv plus R, which is what we were after.
常犯的一个错误,这只对理想气体成立,因为对理想气体成立,所以我们可以继续,用Cv代替,这项,最后得到。
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