The STM models were proposed for design of anchorage zone. The distribution of interior stresses in anchorage zones was analysed by finite element method (FEM).

研究内容主要包括：端部、内部中心锚固区的有限元分析，并对已有的拉压杆模型提出修正方法。

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The analysis of example proves that the low permeability of interior zone will sharply reduce the maximum production rate.

实例分析证明，内区的低渗透率会急剧降低无阻流量。

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There are three main interior structure defects in the preparation of aluminum foam with melt foaming process such as free-bubble-layer at the bottom, partial free-bubble-zone and heat crack.

泡沫铝常见的内部缺陷主要有底部无泡层、局部无泡区和内部热裂纹。

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Last year, scientists using a technique called helioseismology, probed the Sun's interior, revealing that currents of gas at the base of the convective zone change velocity every 16 months.

BBC: Sun, Trace