英国诽谤法一直备受争议，多年来，公众认为该法对于原告太过仁慈。
English libel laws have taken quite a beating for many years for being so friendly to plaintiffs.
WDM网络中，波长变换技术是一项关键技术，然而却一直备受争议。
In WDM networks, wavelength conversion is a key technology, but it is always the focus of the contention.
WD M光网络中，波长变换技术是一项关键技术，然而其使用却一直备受争议。
In WDM network, the technology of wavelength conversion is a key technology, but it is always the focus of the contention.
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