safe region

Therefore, studying on subgrade state in permafrost during QTR' operation is a premise of assurance of its long-term, safe and reliable operation in permafrost region.

因此，开展运营期多年冻土区路基工程状态的研究，是保证青藏铁路多年冻土区路基工程长期、安全、可靠运营的前提。

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The performance standardization and the determination of safe operation region of import catalystic axial flow main blower, before the first putting into operation of new machine, are recommended.

介绍了引进的催化轴流式主风机新机首次投运前的性能标定和安全操作区域的划定。

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Through analyzing the distribution of loose rock, crack, pile-up rock nearby blasting region, the technical processing measures are put forward in accordance with the particularity to ensure subsequent work safe and smooth.

通过分析硐室爆破区松石、裂缝、堆积体的分布情况，提出相应的技术处理措施，保证后续工作安全顺利地进行。

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CONCLUSION: It is confirmed that the clasp and the screw fixation can be done on the safe region at the 1-3 o'clock and the 5-6 o'clock.

结论：确定拉钩及螺丝钉固定在1～3点及5～6点为安全区。

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The relation of Japan-America will develop smoothly but threat the safe and peace of region.

美日关系发展较为顺畅,但威胁地区的安全与和平.

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Microanatomy study of facial nerve distribution at the temporal region for safe facelifting

面神经分支在颞区的显微解剖学研究

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