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| threshold value The maximum concentration of a particular substance to which a worker should be exposed in a given period of time (工作者应在一定时期内暴露的特定物质的最高浓度。) | |||
| liminal value | |||
| threshold | |||
| threshold volume | |||
| threshold quantity; value of threshold | |||
| threshold margin | |||
| thresholds | |||
| threshold value | |||
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| threshold value | |||
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| threshold | |||
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| threshold | |||
| 阈值: 496 phrases in 49 subjects |