北方春大豆作为中国栽培大豆分类中的7个型之一，共有3575份资源，占我国栽培大豆的15。
Being one of the seven Glycine Max groups, spring sowing soybean in northern China has 3575 germplasm, as 15.
借助生殖调控措施，春、夏季获取的野生鱼秋季就可产卵，好卵占23·4%。
The wild fish captured in spring can spawn in autumn by use of reproductive control method. The viable egg rate is 23.4%.
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