查询词典 invalidation

The method will become invalidation and the scatter matrix will become a zero matrix when any class or per-son has only one training pattern available.

当仅有一个训练样本时，该方法中的协方差矩阵就变成了零矩阵，方法就会失效。

B. From analyzing the side, lobe, the angular velocity of sight line of autoloading seeker, and the response delay of missile, the main reasons of airdefence missile end control invalidation are made sure.

从半主动导引头副瓣波束影响、导引头最大跟踪角速度限制以及导弹响应延迟特性三个方面，分析了造成防空导弹末端失控的主要原因。

It is a important subject that researching on mechanism invalidation of filter bag and looking for prolonging time life of filter bag of Baghouse.

研究滤袋破损机理，寻找延长滤袋寿命的途径，是摆在袋式除尘器滤料研究中一个重要的课题。

One of criteria for coker drum invalidation is whether the loin-drum deformation has exceeded the critical value.

并以腰鼓变形量是否超过临界值作为焦炭塔判废的标准之一。

The paper discusses the principle and approach of I_ddq test and how to deal with the invalidation of Iddq test on account of the decrescent characteristic line widths.

本文研究了I_测试的原理和实现步骤，以及随着电路特征的收缩，I_测试的有效性降低的改善方法。

When should searching engine spider to get when requesting a certain URL 404 condition are responded to, know this URL namely already invalidation, index no longer this webpage, feedback to delete this URL denotive webpage from inside index database to data center, of course, delete a process to need for a long time likely, and when should searching engine to get 200 condition are responded to, can think this Url is effective, can index, can collect its index database, such result is these two different Url have identical content: Define the content of 404 wrong pages oneself, this meeting is brought about appear duplicate webpage problem.

当搜索引擎蜘蛛在请求某个URL时得到404状态回应时，即知道该URL已经失效，便不再索引该网页，并向数据中心反馈将该URL表示的网页从索引数据库中删除，当然，删除过程有可能需要很长时间，而当搜索引擎得到200状态回应时，则会认为该url是有效的，便会去索引，并会将其收录到索引数据库，这样的结果便是这两个不同的url具有完全相同的内容：自定义404错误页面的内容，这会导致出现复制网页问题。

The marine stern tube bearing is a special structure and complicated load sliding bearing, which is always under foul lubricative state in real work, and always produces bad abrasion to get premature invalidation. This brings a great influence to ship s safely sailing and economic benefit.

船舶尾管轴承是一种受力复杂、结构特殊的滑动轴承，它在实际工作中处于极其恶劣的润滑状态下，常常产生严重的磨损而导致尾轴承的过早失效，这对船舶安全航行和营运经济效益带来很大的影响。

The result shows that well developed microbiotic crust results in less invalidation precipitation than sandy soil, but sandy soil conserves 18% precipitation in deeper layer when the soil covered with microbiotic crust had been dry completely.

结果表明，结皮和流沙地表的蒸发速率随时间的变化趋势基本相同，但在不同的蒸发阶段具有各自不同的特点，总的说来，发育良好的苔藓结皮导致相对较少的无效降水，但在更长的时间维持较高的蒸发速率；流沙和初步发育的降尘结皮导致了较多的无效降水，但由于降水的入渗深度相对较深，需要更长的时间完成蒸发过程。

Performance: Features such as precompilation, configurable caching and SQL cache invalidation allow you to optimize the performance of your Web applications.

性能：预编译程序，可配置的缓存和SQL缓存失效等特征，允许你优化你Web应用程序的性能。

Perhaps say him reoccupy when this mode goes doing, meet invalidation.

或者说自己再用这个模式去做的时候就会失效。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。