The piecewise constant bending moment mode is adopted.
弯矩采用分片常数逼近。
This piecewise linear change has a very high practical value.
这种分段线性变化也有很高的实用价值。
If is piecewise smooth, that is, consists of several smooth curves joined together.
如果是分段光滑的，即是由几段光滑曲线连接起来的。
If is piecewise smooth, that is, consists of several smooth curves joined together.
如果是分段光滑的，即是由几段光滑曲线连接起来的。
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