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1·My discovery will be more fully understood from the following description and drawings, where Fig. 1 is a diagram showing the general arrangement of the apparatus as usually employed.

我发现从以下描述和图纸将会更被彻底的理解，在图1中是一个通常采用显示装置的总体布置图。

2·The pick-up arrangement, mathematical model of impact-point positioning, medium for the transmission of earthquake waves, and the general system block-diagram etc. are described.

讨论的着重点为传感器布阵、弹着点定位的数学模型、地震波的传播介质及系统总体框图等方面。