To that end, the threading module provides a number of synchronization primitives including locks, events, condition variables, and semaphores.
为了达到那个目的，线程模块提供了许多同步化的原生支持，包括：锁，事件，条件变量和信号灯。
2
The First step is threading the needle, the way I do it is to go through the eye then go back to the shorter end of the thread and push the needle through the middle of it.
第一步是穿针。我穿针的方法是：先用针从线的中间穿过去，然后再把线顺进去。
3
The said process for threading non-coupled end of coupled tubing has been proven practical.