For each displacement component we find that there are only two values at the two ends of a boundary.

对每一位移分量，我们发现在一个边界的两端处仅有两个值。

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A displacement function is first derived from the balanced differential equation, and then, from the displacement function, the displacement component is in turn found.

先由平衡微分方程导出位移函数，再由位移函数求出位移分量。

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With this new method it is very convenient to measure the 3-d displacement component in practical engineering problems. Its measuring accuracy can meet engineering demands.

此方法对工程实际问题中三维位移分量的测试是比较方便的，测量精度也能满足工程需要。

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