Conolusions the incidence of lumbar disorders in crew is related to the special work environment on board, the length of service in those environments, and the crew's height.

结论舰船人员腰部疾病发病率较高与船上特殊的工作环境、在该环境中人员的工作年限及人员的身高等因素有关。

youdao

For the special work environment, the drainage system under mine has strict requirement to its device. In the Auto-drainage system, the controllability of shut-off valve is critical issue.

矿山井下排水系统因其特殊的工作环境，对其设备有着严格的要求，在自动化排水系统中，闸阀的可控性是关键性问题。

youdao

No compiler is required, and you don't need special libraries or a software development environment to work from.

不需要编译器，也不需要特殊的库或软件开发环境。

youdao

The Special Immigration Appeals Commission's environment reflects the limited public nature of its work.

BBC: Can a spook judge the spooks?