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。
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。
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。
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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