The peroxidase and esterase isoenzyme patterns of cytoplasmic male line Shaan 2A and fertile line Shaan 2B in Brassica napus L.

分析了甘兰型油菜细胞质雄性不育系陕2A与保持系陕2B的酯酶和过氧化物酶同工酶特征。

Compared with the other three ones, Shaan'xi has its comprehensive economic competence in competing, but it's not so powerful.

陕西与上述其它地区相比，具有综合经济竞争力，但优势不很明显；