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1.1. The model of underwater TMA in three dimensions is given out by the analysis of the complexity of underwater acoustic environment. Three cases are investigated, they are the case of unknown constant depth and the case of known constant depth in three dimensions and the coherent plane in two dimensions which the relation depth between the source and the platform is zero.
1．通过对水声环境复杂性情况的具体分析，提出了水下三维情形下的目标运动分析基本模型，把水下情况分为相互联系的三种类型，即未知确定深度、已知确定深度的三维情形及同在一个平面的二维情形。收藏指正
2.involving or relating to three dimensions or aspects; giving the illusion of depth.
涉及三个维度、范围或者与三个维度、范围相关；产生了幻象或者深度。收藏指正
3.Pull force, jar placement, collar dimensions and depth of fish are related to the impact force.
上提拉力、上击器安放位置、钻杆尺寸以及落鱼深度等都影响到震击力大小的确定 .收藏指正
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