无法估计的

The evolution of heat from the sun is inestimable.

从太阳中放热是无法估计。

A computer would have been invaluable for this job.

一台计算机对这个工作作用会是无法估计。

In this sense, the encyclopedic cultural value and historic significance of Dunhuang are inestimable.

从这个意义上来说，煌百科全书般文化价值和历史重量是无法估计。