Price differences are used as a proxy for differences in quality.一分钱一分货。Those not attending the meeting may vote by proxy.那些未出席会议的可以请他人代为投票。You can vote either in person or by proxy .你可以亲自投票或请人代理。...
The sample, after being purged by reversed extraction and purified byPVP - kieselguhr column, was enriched through Amberlite XAD - 7 column.样品经过乙酸乙酯反萃取及PVP - 硅藻土层析柱后, 再径XAD - 7柱浓缩....
The tar component in the acid - containing was analyzed with gas - chromatogram.阐述了利用气相色谱技术测定含酸废水中焦油组成的分析方法.Calibration enabled will be displayed in RUN - TIME CHROMATOGRAM MENU.校验激活显示在实时分析菜单里.A gas chromatogram method t...
下标O和W分别表示属于未风化和已风化的状态.The subscript O and W identify the unweathered and weathered states.这是在风化的灰岩露头上用较小的AB踞 ( 40m ) 记录的.This recording was taken on weathered outcropping limestone with a relatively short AB ( 40 m ).然而,...
hippos wallowing in the river在河里打滚的河马Stop wallowing in self - pity.不要一味地自怜了.Never have I had such a good excuse for wallowing in deep warm baths.我从来没找到过如此好的理由，可以美美地泡个热水澡。...