查询词典 invalid

Returns a null string if the index is invalid or if the specified sub-expression did not participate in a match.

如果索引无效或指定的子表达式未参与到匹配中，则返回空字符串。

Combined prototype tests with numberical tests, the invalid load, strengthen load and critical load are determined.

首次得到了随着锻炼载荷等级的不断提高，结构在高载荷下的过载寿命先增加而后降低的结论，即锻炼后寿命与锻炼载荷的函数关系可表为一元二次多项式。

This method can occlude the invalid user and greatly improve the security of the DBMS software.

此种方法可封闭非法用户的权限，大大提高数据库管理软件的安全性。

Most others who object to economic theory do so on the grounds that it is empirically invalid.

大部分人反对经济理论是基于其在经验上是无效的。

The onlooking wheelchair fencing match's first criterion is needs to understand that the wheelchair fencing match's score standard, made clear any lamp to shine has scored points; In which kind of situation but, turns on a light actually means the invalid attack.

观看轮椅击剑比赛的第一条准则就是要明白轮椅击剑比赛的得分标准，搞清楚什么灯亮了是得分了；而哪种情况下，亮灯却意味着无效进攻。

By that I mean, don't send out-of-bounds conditions or invalid values.

不要测试边界外的条件和异常值。

If the inventory can't be controled improperly, it will bring a high rate of out-of-stock, non-timely replenishment, stock liquidity or the high inventory level, inventory invalid, and the backlog of funds, etc.

若库存控制不当，将会带来缺货率高，补货不及时，库存周转不灵，或者库存水准高，无效库存多，资金积压等现象。

As a result of the search of great majority index is propped up and do not have capture, analyse the ability of Js statement, accordingly, link code through what Js statement outputs, search engine cannot capture arrives, in the meantime, search engine and cannot well the content of capture I, because this uses I to include the friendship that links a page to link a form,also be cannot be searched what engine capture arrives, these two kinds of links are invalid link, a simple judgement method is, examine the other side to link the source file of the page, if do not have the page address that can find you, that should be to use above the link that 2 kinds of means output, here also has a kind of exceptional case, use Js statement to output a link directly on the page, for example Write is read all the way form, also be Js statement, but the page can be found, such link, meeting capture reachs engine of the theoretic all alone that tell search, but can be equal it at common link, still be an unknown.

由于绝大多数的搜索引擎并没有抓取，分析js语句的能力，因此，通过js语句输出的链接代码，搜索引擎无法抓取到，同时，搜索引擎并不能很好地抓取i的内容，因此使用i包含链接页面的友情链接形式也是无法被搜索引擎抓取到的，这两种链接都是无效链接，一个简单的判断方法是，查看对方链接页面的源文件，如果没有能找到你的页面地址，那就应该是用上面2种方式输出的链接了，这里也有一种例外的情况，在页面上直接使用js语句输出链接，例如 write 一路读这样的形式，也是js语句，但是页面可以找到，这样的链接，理论上讲搜索引擎是会抓取到的，但是会不会把它等同于普通的链接，还是个未知数。

There are flags for overflow, underflow, invalid operation, divide by zero, is Zero, is Negative, etc...

在ps2上，标志用来指定不同的状态，像溢出检测，下溢检测，无效操作，被零除，零，否定等等，有些flag很少被游戏用到，disable extra VU flags"和"disable extra FPU flags的作用就是不执行额外的很少被游戏用到的标志代码

It would be invalid to generalize and oversimplify by giving concrete rules to all Roma.

通过固定的规则而获得的对吉普赛笼统并过于简单的定义是无效的。

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。