While housing mortgage loan has asset scale and good quality, which suits to be the point of tangency into asset securitization of our country.

而住房抵押贷款所具备的资产规模和良好质量，也十分适合作为我国资产证券化的切入点。

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The paper takes teaching environment as point of tangency, gives an thorough analysis on the constructing element of teaching environment and educational equipment as well as their mutual relations.

本文以教学环境为切入点，对教学环境与教育装备的构成要素以及相互关系进行了深入分析，并从系统的角度出发，提出了构建教育装备系统的研究方案。

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The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here.

在计算底部钻具组合的受力和变形时，以前一般都是按弯矩为零的条件来确定其上切点的位置。

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