The method was based on the conception that incremental relief of in-situ stress generated incremental displacement on the cutting face. A releaseforce was employed to realize the idea.
为表述复合土钉支护增量应力释放引起增量位移的变形原理，文中引入了一种释放力。
2
The release of the hostages could not be achieved without the use of force.
不使用武力不可能使人质获释。
《牛津词典》
3
Attempting to force the shark to release him, the surfer slugged it on the snout over and over.