The analysis of combining ability showed that Father plant 290-1 and Male sterile line 240 which had high GCA could be regarded as good crossing parents.
配合力分析表明：一般配合力较好的父本290-1和雄性不育系240可作为优良的杂交育种亲本；
Then, combining IMD-Isomap and generalized regression neural network, which has a good ability for approximation, a classifier is proposed.
然后，结合泛化回归神经网络，设计出一种分类器。
The R534 and R136 were two good restorer lines in breeding application for their fine combining ability and integrate agronomic traits.
恢复系R534，R136的配合力和综合性状都比较好，是两个具有较好应用前景的恢复系。
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