current velocity是什么意思

用法例句

Resource-based advantages of ecological protection project of Linyi Riverside Wetland and its benefit analysis;

临沂滨河湿地生态保护工程资源优势及效益分析

Study on the Construction of Eco-city in Linyi;

临沂市生态城市建设初探

Analysis on the engineering characteristic of expansive soil in Linyi;

临沂膨胀土的工程特征分析

Study of air-anion concentration in the nearby scenic area of Lin'an city;

临安周边旅游景区空气负离子浓度研究