随着采矿业云霄飞车式的起伏，Fortescue的股价和其他矿业公司的股价一样在金融风暴中暴跌。
In a sign of the mining boom's rollercoaster ride, Fortescue's share price, like those of other commodities companies, has fallen steeply since the financial crisis hit.
应用简正波传播时间与声速起伏的对应微扰关系式，给出了上述对应关系的理论解释。
The relation equations between Normal Mode propagation travel-time and sound-speed fluctuation are used to explain the qualitatively relationship between two spectra.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
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