“permissible concentration-time weighted average”的概念、定义、翻译、参考文献-科学参考

单词	permissible concentration-time weighted average
释义	permissible concentration-time weighted average Encyclopedia 工学时间加权平均浓度释 permissible concentration-time weighted average时间加权平均容许浓度一个工作日8小时或一个工作周40小时中以接触有害物质的时间为权数计算所得的平均浓度。
随便看	critical/minimum transport velocity critical model critical moisture critical molecular clusters critical molecular weight critical nucleus size critical oil film thickness critical ontology critical opalescence critical ordinal number critical pair critical parameter critical parameters of Van der Waals equation critical path critical path algorithm critical path analysis critical path method critical path method, CPM critical path method，CPM critical path scheduling critical path test generation critical percolation probability critical period critical period hypothesis Critical Period Hypothesis in Language Acquisition

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