文中建议，在组合列车开行之前，应当结合具体情况，进行认真的列车动力学分析，以确保组合列车的安全运行。

Suggests that the train dynamics must be analysed seriously before the train is set in motion in order to ensure its safety.

youdao

使用这些代码并不像你想像的那样简单，因为你应当在至少两台通过同一网络相互关联的电脑上运行它，如果你认真的阅读了下面的内容，你将可以运行和测试这些代码。

For running this application, first of all, you should be connected to a network and your firewall ought to be deactivated. Then, check your network and firewall.

youdao

使用这些代码并不像你想像的那样简单，因为你应当在至少两台通过同一网络相互关联的电脑上运行它，如果你认真的阅读了下面的内容，你将可以运行和测试这些代码。

For running this application, first of all, you should be connected to a network and your firewall ought to be deactivated. Then, check your network and firewall.

youdao