Inuduction responses result from nonlinear-time-variable filtering of formation properties.

感应测井响应是地层非线性时变滤波的结果。

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However, the profile of the invasion front within the formation, both vertically and radially, does depend on formation properties.

而地层侵入剖面(径向的和纵向的)和地层属性有关。

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Methods of tunnel excavation in unconsolidated formations and the collapse zone treatment are intro-duced according to the formation properties fo exit section of Yangzong No.

针对阳宗海一号隧道出口段的地层特点，介绍了在松散土体地层中遂道施工方法的选择及在施工中出现坍塌的处理方法。

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Concurrently with the IPO, Silver Bay will engage in formation transactions through which it will acquire an initial portfolio of single-family residential properties from entities associated with Two Harbors and Provident in exchange for equity interests in Silver Bay.

FORBES: Silver Bay Realty Trust Corp. Announces Proposed Public Offering

"By looking at and understanding the properties of El Gordo, we're able to understand the time evolution of the structure formation of the Universe, " Prof Hughes told BBC News.

BBC: 'El Gordo' is largest distant galaxy cluster ever seen