The contradictions between productive forces and the relations of production and between economic base and superstructure constitute the basic social contradiction.

生产力与生产关系、经济基础与上层建筑的矛盾，构成社会的基本矛盾。

youdao

The country is superstructure, it is OK and active the ground is counteractive at economic base.

国家是上层建筑，它可以能动地反作用于经济基础。

youdao

In this paper, on the base of the interactive principles of superstructure, base and soil, a computation method of thick-raft foundation is brought forward in which many factors are considered.

本文根据高层建筑上部结构、基础和地基共同作用的基本原理，提出一种厚筏基础的计算方法，考虑了多种因素影响，比较符合基础的实际受力状况。

youdao

With a whimsically eclectic technique (including musical sequences and special effects), she sets in motion a flashy yet complex superstructure of personal life that rests on a solid, implicit base of quasi-divine technological power and sociopolitical openness and energy.

NEWYORKER: Declaration of War