万名工人监管人员数
000 workers
number of inspector per 10
化工工人
Chemical industry workers
Chemical plant workers
Employees of chemical factory
trace element
人工工作量模型
artificial work-load model
人工管理绿地
manually managed green land
man-manipulated green land
人工监控
artificial monitor
manual supervisory
manual supervisroy control
Control
人工人口系统
artificial population systems