Scientists lobbed a bombshell into the world of sub-atomic theory on Wednesday by reporting that a primary building block of the visible Universe, the proton, is smaller than previously thought.

科学家们周三向亚原子理论的世界抛了颗重磅炸弹：可见世界的一块基石——质子——比先前人们认为得要小。

youdao

Furthermore, the behavioral theory of the firm serves as an important building block in transaction costs theory (Williamson, 1975).

此外，企业行为理论还是交易成本理论(Williamson, 1975)的重要基石。

youdao

Based on the experimental results on shaking table, the earthquake response of the prototype structure of 7-story hollow concrete block building is estimated by theory of similitude.

并根据振动台试验的结果，按相似关系推算七层混凝土小型空心砌块房屋原型结构的地震反应。

youdao