There are about 242 million rural migrant workers working in cities and their wage income now accounts for about 50% of total income.
现在农民进城务工的多达2.42亿人，农民的工资性收入占到50%。
Did the boss keep workers working for over 12 hours everyday?
这个老板每天让工人工作超过12个小时吗？
Objective To study the mental and health changes of the workers working in low intensity microwave radiation environment for a long time.
目的研究在长期低强度微波辐射的作业环境下工人身心健康的改变。
The rate of chromosomal aberration in the workers working in grass root hospitals(0.421%) was higher than those working in upper level hospitals(0.083%).
基层医院放射工作者染色体畸变率（0.421%）明显高于上级医院（0.083%）。
By using the neurobehavioral core test battery (NCTB), 44 manganese exposed workers working in electrical arc welding and dry battery workshops were tested.
选择44名接触不同空气中锰浓度的干电池制造工和电焊工，进行了成套的神经行为功能测验。
Under normal circumstances, from Monday to Friday, construction workers working nearby the relics of World Trade Center and the office staff gather in this park for lunch.
正常情况下，附近世贸中心遗址上工作的建筑工人和上班族会在周一到周五聚集在这个公园里吃午餐。
A retrospective cohort study was conducted among iron and steel workers working in 18 iron and steel making and rolling factories from 3 Chinas iron and steel group corporations.
采用回顾性队列研究对国内三个钢铁集团公司所属的18个炼铁、炼钢和轧钢厂进行了流行病学研究。
Due to the motion study of workers working on a real manufacturing process of bumper, the ergonomics was used to design new equipments in order to optimize workers' operating motion.
以某汽车外饰件厂保险杠制造工序为研究对象，运用人机工程学原理结合工厂实际，设计新的作业装置，得到更合理的操作动作以实现作业装置和作业动作的联合优化。
Workers working on the drilling platform should be careful about storms.
平台上工作的工人要注意暴风雨的袭击。
Workers working on the drilling platform should be careful about storms.
平台上工作的工人要注意暴风雨的袭击。
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