This article introduced the design principle of vacuum control system, discussed the system composing and design of hardware and software, gave some experiment result.

本文介绍了真空实时远程监控系统的设计要求，讨论了该系统的硬件设计、软件设计及其工作原理，给出了部分实验结果。

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The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.

盘表控制进入真空管空气流量。

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However with the introduction of lighter weight and more flexible plastic substrate magnetic tapes, combined with a vacuum column to control the tension that the magnetic tape experiences during use, the IBM 726 was a prototype of the modern digital tape recording system.

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The building had tested negative three times previously for anthrax, but workers from the Centers for Disease Control and Prevention used a special vacuum with a filter developed to detect even the most minute amounts of the deadly bacteria.

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Before leaving, he did not formally place Vice-President Goodluck Jonathan in control of the government, essentially creating a power vacuum without any clear succession plan.

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