但不理想的是两段法制浆不但非常麻烦而且成本也很高。

But unfortunately the two-stage pulping process is rather cumbersome and likely to be high in capital construction costs.

youdao

所有颜色中，眼睛上方出现白色斑点都是允许的，但不理想。

White spots above the eyes permitted on all colors but not required.

youdao

I don't know that I have an answer to this, but perhaps the Republic as a whole is itself a piece of this Socratic poetry that will substitute for the Homeric kind.

我不确定我对这有预备答案，但也许整部《理想国》,就是一部苏老式的诗学,用以取代荷马史诗。

耶鲁公开课 - 政治哲学导论课程节选

If you have a real gas and you write du is Cv dT and your path is not a constant volume path, then you are making a mistake. But for an ideal gas, you can always write this. And this turns out to be very useful to remember.

对于真实气体，如果其变化过程,不是恒容的，du=Cv*dT就不成立，但对于理想气体,这条规则永远成立,这一点非常有用，请记住。

麻省理工公开课 - 热力学与动力学课程节选