这是一个封闭的系统。
With a closed system, your company is in the business of being a CA.
在一个封闭系统中，您的公司就起着CA 的作用。
我们在一个封闭的系统内。
The closed system allows energy to transfer through the boundary but not mass.
闭系允许能量通过它的边界传递，但质量不行。
Closed system, negative pressure operation, no dust emissions, a good operating environment.
系统全封闭，微负压操作，无粉尘飞扬，操作环境好。
Managing is not, nor could it be, a closed-system approach to enterprise operation.
对于企业的经营来讲，管理不是也不可是一个封闭系统。
Managing is not, nor could it be, a closed-system approach to enterprise operation.
对于企业的经营来讲，管理不是也不可是一个封闭系统。
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