If you describe something as measurable, you mean that it is large enough to be noticed or to be significant.
Both leaders seemed to expect measurable progress.
两位领导人好像都期待着显著的进展。
Something that is measurable can be measured.
Economists emphasize measurable quantities – the number of jobs, the per capita income.
经济学家们强调可以测算的量–职位数量,人均收入。