求翻译：这起事故发生在上海的冬天。事故发生时造成许多人员伤亡。经过救助，却还是有许多人死去。最后，这件事提醒我们，别去人多的地方，遇事要保持冷静不慌。维护社会秩序是很有必要的。是什么意思？

正在翻译，请等待...

The incident occurred in Shanghai in the winter. When the accident occurred which resulted in many casualties. After a rescue, but I was still a lot of people died. Finally, this reminds us, don't go to places, failing to keep calm is not effort. maintenance of public order is very necessary.

This accident occurs in Shanghai's winter.The accident occurs when causes many personnel casualties.After the rescue, some many people died actually.Finally, this matter reminds us, do not go to human many places, encounters a difficulty must maintain calmly is unhurried.The maintenance social order

The accident happened in Shanghai in winter. Causing many casualties when the accident happened. After the rescue, but there are still a lot of people died. Finally, it reminds us, don't go to crowded places, failing to keep calm and not to panic. Is very necessary to maintain social order.

正在翻译，请等待...