所以我们想设计一些既美观又具有较强实用性的物品。
So we wanted to design something that was both beautiful as well as highly practical.
结果表明：判别方法简单方便，正确率高，具有较强实用性。
Result shows that the method is simple, convenient and practical and has high correct classification rate.
嵌入式系统工作文档的备份/恢复是一个具有较强实用性的课题，相对于普通计算机，嵌入式系统的应用程序必须占用较少的系统资源。
The working documents' backup/recovery in embedded system is a practical issue, compared to the ordinary computer, the application in embedded system must take up less system resources.
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