binding fractionpacking fractianspacking fractions敛: hold back; keep back集: gather; assemble; collect率: rate; ratio; proportion分子敛集率: molecular packing fraction敛集率损耗: packing fraction loss下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:敛集率，即可在微信中查询翻译
