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。
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.
介绍了上部结构与地基基础共同作用时协同计算的原理及特点。
Principle and characteristics of associate calculation, while upper structure and ground foundation act together, were introduced.
依据音频共振原理，利用共振频率和内耗两个音频参数的共同作用，快速在线检测弹体药室容积，并用此法与传统的“水称重”法进行理论和实验对比分析。
Based on the principle of sonic resonance, resonant frequency and damping capacity are used as two parameters to test the volume online quickly.
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