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hypocenter n.(核爆的)震源。

hypochlorite

Based on the fromer study of mine tectonic , hydrology , tunnel deformation , etc . , 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis , combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result , and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer 摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上,結合該地區的震源機制解及有關的應力實測值,對礦區現今構造應力場進行了三維數值模擬,并對模擬結果進行了線性回歸分析,得到了與現實較為符合的結論,為更合理的巷道布置和更經濟而安全的巷道支護提供依據。

In the case that hypocenter depth is far less than the epicenter distance without depth phases available , only the relative epicenter distribution could be obtained accurately by double difference method , the depth determined would be not stable 當震源深度遠小于震中距時,如果沒有深度震相的參與,只能得到誤差較小的震中相對分布,深度的相對位置仍有較大的誤差。

The epicenter is the point on the surface directly above the hypocenter 震中:地面上正對著震源的地方。