block synchronization的用法和样例：
例句
- The specifics of each synchronization is controlled by a set of synchronization parameters.
每个同步的具体信息由一组同步参数控制。 - While the advantage of synchronized users is obvious, you have to search for arguments for doing a lot of work to get group synchronization working.
用户同步的优势显而易见，但是要使用组同步的话，你必须搜索大量工作所需的参数。
