Conclusion The particles in a closed environment may have some effect on human health and instruments.

结论密闭环境中的悬浮颗粒物对人体健康和仪器设备可能产生一定影响。

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The system shown in Figure 3 is that of a closed loop, with sensors feeding the control system that drive changes in the environment.

图3所示的系统是一个封闭循环，传感器负责为控制系统提供数据，而控制系统则驱动着环境中因素的变化。

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In more recent days, JAXB has picked up some support, but it still remains a very closed environment, with plenty of bugginess in the darker corners of the implementation.

近来，JAXB得到了一些支持，但它仍然是一个非常封闭的环境，并在实现中留下许多很深的隐患。

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Unlike proprietary solutions that only work within a closed environment, Twonky technology is an open solution that works across brands, operating systems and industry standards to bridge the gap between mobile devices and the living room.

ENGADGET: Twonky Beam update for Android, iOS streams to Roku, Xbox 360

In her new incubator, the baby would sit on a heated mattress that would then fold around it creating a closed, sealed environment when held by the parent.

BBC: Baby in an incubator

But over time, our society has changed from an open setting of collaborative work to a closed, cubicle environment where work is isolated and trapped, confined by our digital domain.

FORBES: Social Business: 5 Trends To Watch For 2013 And Beyond