英语语法分析

In recent years, the research of microseism has made some progress in civil engineering realm.

近年来，地脉动的研究在土木工程领域也取得了一些进展。

This paper emphasize in study of mechanism of vibration frequency for free site in microseism testing.

本文的着重于地脉动测试自由场地自振频率的机理研究。

Random noises have uniform rules and they comprise of circumstance noise, measurement error and ground microseism.

而随机噪声没有统一的规律，它包括环境噪声、测量误差、地面微震等。