Thus a new project must be advanced by the railway research department that how to operate the reception and departure of train safely in improper conditions.

这就给铁路科研部门提出了一个新的课题—如何在非正常情况下进行安全可靠的接发列车作业。

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During the construction of excavation in soft soil, soil reinforcement outside the excavation is used usually in order to protect the departure and reception of shield and surrounding buildings.

在软土基坑施工过程中，由于地铁盾构进出洞以及为了保护基坑周围建筑物等原因，常常会进行坑外加固。

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