unuseful

In other words , throw these unuseful things .

就是说，要把没用的东西扔掉。

happy ， not unuseful life ， in the fullness of their age they would sink into the grave .

他们幸福的一生并未虚度，直到年寿已经很高，才告别了人世。

It implements Web crawling through distributed technology , and builds index database through accidence analyzing Chinese characters separating unuseful words deleting etyma extracting index words selecting and lexicon .

该搜索引擎使用分布式技术实现网页获取模块；通过词法分析、中文分词、无用词汇删除、词干提取、索引词条选择和词典等技术建立索引数据库；

For most radars , the clutter is unuseful and the existence of it seriously affectes the performance of the radar and contributes a serious disturbance to the normal work of the radar .

对大多数雷达来说，这些回波是没有用的，它的存在严重影响了雷达性能，干扰了雷达的正常工作。

But most of the returned information is unuseful for network management center because there is so much " trash " that it reduce the query efficiency , on the other hand , the unuseful information also results in the network congestion in bandwith .

网管中心所获信息中有很大一部分是它所不需要的，即垃圾数据，而这些垃圾数据一方面降低了查询的效率，另一方面则导致了网络拥塞。