In the aspect of guaranteeing safety and economy of modern power system, the importance of optimal reactive power dispatch has received extensive attention.

在保证现代电力系统安全性和经济性方面，无功优化调度的重要性已经得到了广泛的关注。

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If the final discharged gas is led to return to a gas pipe, oxygen content inside a gas returning pipe is low, thereby guaranteeing safety and reducing gas loss.

如将最终外排气体引回煤气管，回气管内氧含量低，保证安全，并能减少煤气损失。

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Oil testing plays an important role in oil related technologies. To make the work well, we must take it seriously and observe the rules and regulations, thus guaranteeing safety while testing.

油品化验工作是油料技术工作的重要组成部分，要做好油料化验工作，必须要有严谨的科学态度，遵章守制以确保油品化验的安全。

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Printed in sheets and fitted onto the robot's arms and chest, the sensors enable high-precision tactile guidance and allow RIBA-II to quickly detect a person's weight from touch alone, guaranteeing patient safety.

ENGADGET: RIBA-II healthcare robot now stronger, smarter -- still a bear