Testing signal is very sensitive to the liftoffeffect in the hardness nondestructive testing of rail surface by electromagnetic method, so liftoffeffect must be restrained.
电磁无损检测钢轨踏面硬度中，检测信号对提离效应极其敏感，所以必须对提离效应加以抑制。
2
The lift-offeffect of eddy current is an important factor in eddy current testing.
涡流检测中的提离效应是影响涡流检测的一项重要因素。
3
The paper introduces main technical measures of ship pneumatic control liftoff load system improved and application effect.