Pyroxene is exclusively diopsidic augite, with a composition relatively colse to the diopside - hedenbergite join.所有辉石是透辉石质普通辉石, 其成分相对近于透辉石 -- 镁铁辉石....
“Movie” is a colloquial word for “moving picture”.movie是moving picture的口语体。...a colloquial expression...口语表达" Movie " is a colloquial word for " moving picture " .movie是moving picture 的口语体.They have little acquaintance w...
某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.在较高的烯烃情况下, 高能的中间物稳定作用更易出现.With the higher olefins, stabilization of the energetic intermediates occurs more easily.有时它们就难于和芳香族或烯烃的吸收峰相互区别.They ar...