建立了拦阻索直接上钩和间接上钩时拦阻钩的运动方程，分析了此时拦阻索上钩时拦阻钩运动特性。
Then the motion equations of an arresting hook engaging an arresting cable directly and indirectly are presented .
拦阻网主索的设计计算是此类工程的难点和重点。
The design and calculation of arresting net are the difficult and focal point of this kind of project .
拦阻索