表1模拟用户对水平维度选择“All People”并对垂直维度选择“All questions”之后的表。
Table 1 is a mockup of how we would like our table to look after a user selects "All People" for the horizontal dimension and "All questions" for the vertical dimension.
在考虑管道长度特征的前提下，把管道近似地看作长梁或薄壳，然后以“含裂纹零维度单元”模型（即垂直于裂纹面方向的单元尺度为零）计算出裂纹对管道动态特性的影响。
This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack.
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