man-made earthquake

基本解释

Man-made earthquake is one of the important methods to investigate deep crustal tectonics.
人工地震是研究深部构造的重要方法之一。
Low-level vibrations that last for more than a few seconds is not indicative of an earthquake, but is more likely a man-made environmental source.
持续几秒钟以上的低水平的震颤并不表示会发生地震，有可能是人为的环境因素。
Like today's message about the earthquake in Japan and the questions about whether it is a natural phenomena or man-made, it is not really important, you know.
就像今天的信息一样，关于日本的地震，问题关于不管它是一个自然现象还是一个人为事件，这并不重要，你知道。
blog.sina.com.cn