2) people movement
人员活动
3) activity frequency
活动频率
1.
Effect of transgenic cotton on the development and activity frequency of high resistant strain of Helicoverpa armigera(Hübner) to Bt cotton;
转基因棉对高抗Bt棉棉铃虫生长发育及活动频率的影响
4) occupied zone
人员活动区
1.
Displacement ventilation:efficient removal of contaminants released by human in the occupied zone;
排除人员活动区内人体释放污染物的有效通风方式——置换通风
5) Labor Turnover
人员流动(率)
6) turnover rate of personnel
人员变动率
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条