This article first discusses the expected behaviour on the client when the server throws various exceptions, and then emphasizes the use of checked exceptions.
本文首先讨论了当服务器抛出不同的异常时客户端的预期行为，然后强调了已检查的异常的使用。
Then it proposed the investigative ideas of drug crime guided by information, and emphasizes the importance of information in the whole investigative process.
然后提出了情报指导毒品犯罪侦查的侦查观念，强调了情报对于毒品犯罪案件侦查的重要意义。
Then this article emphasizes on the analysis of the system, such as theory, its components and the drive scheme.
在此基础上，着重分析了该系统的工作原理、元件的选型及传动方案布置等。
应用推荐