The leading research foreland mainly focuses on pre-stack depth domain and elastic wave.

目前的研究前沿主要集中在叠前深度域和弹性波。

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As the depth of burst increases the amount of energy going into the air blast wave decreases.

随着爆炸深度的增加，转化为空中爆震波的能量便减少。

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Wave equation prestack depth migration technique is an effective method of seismic data imaginating in complicated surfaces.

波动方程叠前深度偏移技术是复杂地表地震资料成像的有效方法。

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With penetration at only 8%, e-commerce penetration into retail will come in breadth (more categories) and depth (increase in spend in existing e-tail categories) driving a tidal wave of new opportunities for entrepreneurs and venture capitalists.

FORBES: New Rules For E-Commerce