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Several methods of determination of the vehicle particle emission factor were reviewed in this paper.The application,and the advantages and disadvantages of those models were introduced.At last,the paper pointed out that the further study of vehicle parti
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综述了国内外几种常用的机动车颗粒污染物排放因子的确定方法,介绍了各模型的使用概况及其优缺点,最后提出对机动车颗粒污染物排放因子应深入开展有关研究。 |
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Several methods of preserving collection development include reducing expenditures for monographs, canceling print periodical subscriptions, enhancing interlibrary loan and document delivery services, participating in library consortia, and establishing c
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但近年来大部份图书馆都面临经费不足以及图书资料费用上涨的问题，电子资源越来越多也对馆藏发展造成影响。 |
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Several millenniums of self-sufficiency had bred in these people a deep-seated xenophobia, so that even when repeated defeats. in foreign wars made them look to the West for some quick, practical remedy for the country's ills, they did so with the greates
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这些人足以左右大局，然而却保守成性，对外来事物有深刻的疑惧：只是在多次败于外夷之手以后，才勉强看向西方，但也无非是寻求一种足以立刻解决中国的某些实际困难的速效方法而已。 |
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Several million of people have lived near or below the breadline for almost two decades.
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差不多二十年了，生活在贫困线以下，或温饱问题还没有完全解决的仍有几百万人。 |
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Several million of people have lived near or belowthe breadline for almost two decades.
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差不多二十年了,深入、生活在贫困线以下或温饱问题还没有解决的人口仍有百万。 |
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Several ministers and scores of mid-level government officials in that West African country successfully overthrew the government.
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那个西非国家的几位部长与数十名中级公务员成功地推翻政府。 |
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Several ministers said they had been emboldened in their optimism by an exchange with counterparts from large emerging countries a day earlier.
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几位财政部长表示，一天前与新兴大国财政部长们进行的交流让他们更为乐观。 |
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Several minutes later, my wife came downstairs and graciously even bought a cold drink for me.
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几分钟后，我妻子下楼来，还通情达理地给我捎了一杯饮料。 |
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Several missions have been updated to improve playability.
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一些任务进行了升级，增起了其可玩性。 |
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Several misspellings in the user interface and in the online help have been corrected as well.
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修正了许多在线帮助和用户界面中的拼写错误。 |
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Several months ago I decided to conduct an informal but lengthy study of successful shareware businesses.
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几个月前我决定开始一个非正式但是耗时比较长的关于共享软件市场的研究。 |
