通过计算，冗余控制可使整个负压系统的平均无故障工作时间至少增加一倍。

Theoretic calculations show that with redundancy control the mean-time-between-failures (MTBF) of the vacuum system is doubled at least.

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一体化和多重防震结构设计，确保其在高频、多频振动环境中长期无故障工作。

Integration and the design of multiple anti-vibration structure to ensure that its high frequency, multi-frequency vibration and long-term trouble-free work environment.

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传感器处于自动运行模式。可在海水中连续一个月无故障工作，测量精度好于10%。

Having continuously worked in seawater for a month, it runs properly and shows that the accuracy of measurement was better than 10%.

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