For instance, if the validity of entered data depends on previously entered data that is based on specific business rules, that may be too much logic for the client side to handle.
举例来说，如果所输出数据的有效性取决于之前根据特定业务规则输入的数据，而其中的逻辑过于复杂，客户端无法处理。
Data transfer is full duplex if it can handle data flowing in bothdirections (upload and download, for instance) simultaneously.
如果设备能同时处理两个方向（例如上传，下载）上的数据传输，那么数据传输就是全双工的。
Finally, it proves that this report system can handle the problem of complicated data sources report by designing an instance of report.
最后通过一个应用实例，验证了该报表生成系统可以较好的解决报表的复杂数据源问题。
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