While the target variable is guaranteed to be only assigned once, the delegate may be called by multiple concurrent threads unless a synchronization object is passed in.
这保证了目标变量只会设置一次。不过，如果没有使用同步对象的话，委托可能会被几个并发线程调用多次。
2
The current process relies on the synchronization of multiple data points in the information flow in order for the correct data to be provided.
当前流程依赖信息流中多个数据点的同步才能提供正确的数据。
3
A barrier is a JCSP event that ACTS as a synchronization mechanism between multiple processes.