We can see that any leading or trailing Spaces are removed, then the + signs are escaped to remove potentialinterference with the regular-expression search.
我们可以看到所有前导空格或后置空格已被删除，然后+号被转义以删除用正则表达式搜索的潜在干扰。
2
There is also the potential of interference between mobile phones signals and aircraft electronics.
在移动电话信号与飞行器电子系统之间也可能存在着干扰现象。
3
Forsberg said BNSF is also worried about electrical interference and potential hydrology issues including water run-off which could affect train tracks.