UDRs, like random number generators and current date/time functions, are variant and therefore cannot be used.

和随机数生成程序、当前日期/时间函数一样，UDR 通常是变化的，因此不能用于函数索引。

youdao

When a shutdown request is received, the current random string is sent back to the client.

在收到关闭请求时，当前的任意字符串将被发送回客户机。

youdao

The above chart breaks down when we'll run out, both by current rate of consumption, and by half the U.S. consumption rate (which seems loaded and random, but is nevertheless interesting).

按照我们现在的消费速率，或者是美国消费速率的一半，上面的图表消失之时就是我们的原材料用尽之时。(这看起来有点耸人听闻也很胡乱随意，但却很有意义)。

youdao

The current random searches do only a minimum to improve security.

CNN: Screening must include religion, ethnicity

Catherine Farrell, of the Professional Association for Childcare and Early Years, said the government needed a "joined-up strategy" for childcare rather than the current "random set of proposals".

BBC: Childcare ratios: We will find way forward, says Cameron

But random erase is becoming more common, and is, for example, available in the current generation of Hewlett-Packard CD-RW drives.

CNN: Verbatim to ship first 4X CD-RW drive