Th at h as alw ay s b een th e h isto ry o f progress in America.
有些人会说, 我们做不到, 太难了, 我们根本不胜任。

This problem isto test feasibility of the master graduate students of liberal arts.
这一问题是对文科类硕士研究生复试可行性的检验。

The basic standpoint to conduct data isto have a foothold in original, and refer to explanations.
材料处理的基本立场是立足原文, 参考注家。

The milling pressure is provided by the hydraulic system isto adjustment in accordance with coal varieties.
碾磨压力由液压系统提供, 可根据煤种进行调整。