我们的搜索索引不会收录含有太多无效视频链接或低质量视频的网站。
If a site has too many non-working video links or page after page of video spam, the site won't be included in the search index.
还要注意的是，else语句是必需的，因为调用Free会使下次对同一组件索引的检验变成无效检验。
Also note that the else statements are needed, since a call to Free will make the next check to the same component index an invalid check.
如果你删掉了一个页面或者网站的部分内容，你可以通过修改robot. txt预防蜘蛛爬行和索引那些无效链接。
If you've removed a page or section, you can use the robot.txt to prevent the spiders crawling and indexing the broken links.
如果我们现在认为速度是最主要的问题，那么用户对索引页面上无效说明的忍耐力也将成为影响用户体验的因素。
If speed is now supposedly the issue, then the patience of user's when faced with poor or useless descriptive text for indexable pages will also surely become a factor.
另外还需要收集统计信息，重新构建所有无效的索引。
The statistics need to be collected and all invalid indexes rebuilt.
结果是，长度和索引相匹配，接受了无效输入。
The result is that the length and index match, and you have accepted invalid input.
不能获取客户端，无效客户端索引。
树索引结合四叉树和R-树的各自优点，既可以满足较高的存储效率，又避免太多的无效查找，达到较好的查找性能。
QR-Tree index combines the advantage of Quadtree and R-Tree, not only serves the need of high storing efficiency, but also avoid of many invalidation query, in order to achieve good query capability.
确保结合某一类型的错误处理策略，以处理万一客户端代码传入无效索引值的情况。
Be sure to incorporate some type of error-handling strategy to handle the chance of client code passing in an invalid index value.
这异常意味着你试图(直接或间接)访问(读取或写入)使用无效的索引数组。
This exception means that you're trying (directly or indirectly) accessing (for reading or for writing) an array using an invalid index.
索引可以因参数无效而引发异常。
不能断开客户端，无效客户端索引。
不能获取客户端，无效客户端索引。
不能断开客户端，无效客户端索引。
当创建表以后，在建立索引，视图等。当删除表的时候，所有依赖于该表的对象都变的无效了，包括视图，包，包体，函数和存储过程。
Whenever you create a table, index, and view, and then drop the table, all objects dependent on that table are invalidated, including views, packages, package bodies, functions, and procedures.
但这样做会之前被搜索引擎索引的所有网页变得无效，而且，失去从其他网站或书签来的访客。
But doing so will make all pages indexed by search engines become invalid, moreover, losing visitors from other sites or bookmarks that links to you.
但这样做会之前被搜索引擎索引的所有网页变得无效，而且，失去从其他网站或书签来的访客。
But doing so will make all pages indexed by search engines become invalid, moreover, losing visitors from other sites or bookmarks that links to you.
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