Working conditions have changed measurably in the last ten years.

十年来，工作环境有了明显的改变。

Ice crystals begin to deform measurably.

冰晶就产生某种程度的变形了。

Is it when a new idiom is measurably better?

只有当证明了一个新的习惯用法更好时吗？

In many ways, in fact, they are measurably better.

其实，从许多方面来看，现在(的局势)比25年前要好得多。

America's air and water and lands are measurably cleaner.

美国的空气、水与土地更清洁。