Under 5% intensity of selection, the relative genetic progress of all traits is between 25.2 ~ 48.69%, which means more selection potential.
在5%的选择强度下，所有性状的相对遗传进度在25.2 ~ 48.69%之间，有较大的选择潜力。
The criteria of pipe selection include good physical and mechanical properties, high intensity, and sustaining and water supply reliable.
选择给水用管道的原则是：物理机械性能良好，强度高，保证连续、安全、可靠供水；
The results show that increasing the number of least squares fitting terms and reasonable selection of digital image correlation subset size improve the accuracy of calculated stress intensity factor.
结果表明，增加最小二乘拟合项次和合理选择数字图像相关计算子区域和步长大小可以提高应力强度因子计算精度。
The utility model has the advantages of reasonable material selection, high intensity, good tightness and corrosion resistance.
选材合理有较高的强度、耐腐蚀和密封性好。
The utility model has the advantages of reasonable material selection, high intensity, good tightness and corrosion resistance.
选材合理有较高的强度、耐腐蚀和密封性好。
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