worn-return curve 断背曲线
switch-return curve 回头曲线
return curve method 回归曲线法
venous return curve 静脉回流曲线
return rate curve 收益率曲线
A new broadband slot antenna with a fan-shaped microstrip feed is presented, and the return loss curve and radiation patterns of the antenna is simulated in this paper.
介绍了一种新型的采用扇形微带馈源的宽带缝隙天线，给出了反射损失曲线和辐射方向图。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算，可以看出频率曲线基本合理，说明对1482年洪水重现期的判断是合理的。
Meanwhile the indifference curve also shows that it is not neccessary to change the security combination when such changes in return possess similarity.
然后引入无差异曲线来说明市场中证券期望收益率同方向变化且变化值相差不大时，不必改变证券组合。
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