Gets the name of the trace source.

获取或设置源开关的值。

youdao

Specifies a trace source that initiates tracing messages.

指定启始追踪讯息的追踪来源。

youdao

This class filters events based on a specific trace source set by the user.

这个类别筛选器事件是根据由使用者所设定的特定追踪来源。

youdao

Samples of the oil have also been sent for testing to try and trace its source.

BBC: Oil taking toll on sea birds

But despite spills being "comparatively rare", he added that it would be difficult to trace the source.

BBC: Seabird deaths substance 'identified as oil substance'

Where the material originates outside the UK, the Internet Watch Foundation will attempt to trace the source and pass details to the National Criminal Intelligence Service.

BBC: NEWS | UK | Policing the net