得到层内应力沿长度方向和界面法线方向分布的变化规律。

The regularity of the residual_stress changing along length and normal direction of interface was derived based on a non_uniform strain model.

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只有切线方向的位移间断，而法线方向位移连续的弱界面称之为滑动界面。

The imperfect interface with a continuous normal displacement and a jumped tangential displacement is called a sliding interface.

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为保障航空发动机的可靠性，要求精确测量发动机叶片不同界面处的内、外表面法线方向的厚度。

Precision measurement of blade wall thickness along the common normal of inner and exterior surfaces is required to guarantee the reliability of air engine.

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