Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/d144ecdff7f3d6df32b4cf34432ee077.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 characteris-tic是什么意思，characteris-tic的翻译，characteris-tic音标、读音、用法和例句_按摩法牛津词典
The distribution characteristics of grain-size and chemical element characteris tic of atmospheric particulate matter in Jingzhou were studied. 摘要分析了荊州市大氣顆粒物粒逕的分佈特征和化學元素組成特征。