索引的

However, these previous content-based music retrieval systems do not have the effective indexing mechanism that is helpful to improve the appropriateness and performance of retrievals.

但是，内容上的音乐检索系统没有有效的索引机制，有利于提高成绩，适当的489。

Indexing of nulls can be useful for some types of SQL statements, such as queries with the aggregate function COUNT .

将键值为空的行进行索引对有些 SQL 语句是有用处的，例如包含 COUNT 聚合函数的查询。

We use zero to mark available elements of heap; therefore, we cannot return a reference to heap[0] — if it were a set, its elements would contain the index value zero.

我们用0值来标识heap数组中可用的成员；所以不能返回heap[0]的引用——因为如果它是一个集合，那么它所包含的元素可能包括索引值0。

We use zero to mark available elements of heap; therefore, we cannot return a reference to heap[0] — if it were a set, its elements would contain the index value zero.

我们用0值来标识heap数组中可用的成员；所以不能返回heap[0]的引用——因为如果它是一个集合，那麼它所包含的元素可能包括索引值0。

Be given the Panama plan of great expectations by Yang Zhiyuan, the bag contains seesaw pattern tool, can offer the user amount that how attracts according to budget and plan to bid contest buys key word to advertiser; Return a little distinctive function, for example " quality indexes " make advertisement advocate can understand a system how to undertake classificationing to advertisement; It is enough still and agile, can handle frequency and video ad, can go up to the mobile phone release advertisement.

被杨致远寄予厚望的Panama方案，包含有交互式工具，能够向广告客户提供如何根据预算和计划吸引的用户数量投标竞购要害字；还有些独特的功能，例如&质量索引&使广告主能够理解系统如何对广告进行分级；它还足够灵活，能够处理音频和视频广告，并能够向手机上发布广告。

And then, we propose a Reincarnate Tree Model based on backup/restore mechanism that efficiently manage and improve the recoverability and well-operated of backup data.

针对此类产品中备份索引表达力弱，忽视备份数据间内在联系而导致备份数据管理GUI视图的友好性差、误操作高，恢复代理自主性弱等问题，提出了一种基于备份恢复机制的再生树模型以高效管理备份数据、提高备份数据的可恢复性与易用性。

Database caching works best if you've got a fast, well-indexed database server.

只要你有一个快速的，索引良好的数据库服务器，数据库缓存就会极佳的运转。

It is described that how to generate SIP from the original remote sensing image and how to organize and index the image blocks in SIP by using Hilbert space-filling curves and the unique GSG units' codes.

分析了全球剖分格网与影像金字塔的优点与不足，结合两者的优势提出了剖分影像金字塔模型及建塔策略，利用全球剖分格网面片编码的唯一性和Hilbert曲线空间连续性对影像块进行索引与组织。

So a client-side script repositions the DIVappropriately, using CSS absolute positioning and the z-index property to take the canvas DIV out of the normal flow of the document and allow it to appear floating above the rest of the page.

因此，一个客户端脚本重新定位DIVappropriately，使用CSS绝对定位和Z -索引属性采取画布DIV的出文件的正常流动，并允许它出现上述页面的其余部分浮动。

This synthesises 20 different indicators and identifies three "failed" states—Somalia, Afghanistan and the Democratic Republic of Congo—along with 24 other "critically weak" ones.

这份索引综合了20种不同的标准，最终确定了三个&失败的&国家：索马里，阿富汗和刚果民主共和国；以及其他24个&非常衰弱&的国家。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐