Multiple changes to the same object are only recorded once, so the old value remains set at the oldest unchanged value.

对相同数据对象的多次更改将仅记录一次，因此相应的旧值保持为最后一次更改前的值。

youdao

In this way, you should be able to see that the variable is correctly set after the transformation and that its value is kept unchanged until the end of the encryption action.

这样，您应能够看到变量的设置在转换之后仍是正确的并且直到加密操作结束时它的值也保持不变。

youdao

Accordingly, polling collectors typically use sticky tracer types: the APM system reports the value as unchanged in between all polling events. Figure 4 illustrates this pattern.

因而，轮询收集器通常使用粘附跟踪程序类型：apm系统在生成报告时将假定所有轮询事件之间的值不变。

youdao

Someone who slept through the year could be forgiven for thinking that nothing happened during the time frame since the nearly unchanged value belies a very volatile trading atmosphere.

FORBES: 2012 Outlook: U.S. Stocks Could Rise Next Year, But Might Be Bumpy

To his shock, two appraisers told him the upgrades which include hardwood floors and a new electronics system had left the home's value unchanged.

WSJ: The Appraisal Betrayal | Jumbo Jungle

The value was unchanged because prices for coffee, cotton, coal and iron ore fell.

BBC: WTO cuts 2013 trade growth forecast