However, these techniques are difficult to implement and aren't commonly used.

不过，这些技术实现难度很高，因此并不常用。

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The two most commonly used surgical techniques to setback a prognathic mandible include the bilateral sagittal split osteotomy and the vertical ramus osteotomy.

二种最普遍使用正颚手术方法来改善下颚骨前突症的方法是双侧矢向面骨切开术及垂直下颚枝骨切开术。

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Satellite photography and radar are techniques commonly used for remote sensing.

遥感通常使用的技术有卫星摄影和雷达技术。

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Martin Wingfield led a discussion on community politics and Tony Lecomber taught canvassing techniques commonly used by mainstream political parties.

BBC: News | Programmes | Under the skin of the BNP

Dr Dobbin and Ms Ross developed the programme after finding that techniques commonly used by sports psychologists were especially helpful when used on the patients they were seeing in depression clinics.

BBC: Sports psychology used to treat depression