在全州范围广泛开展牦牛提纯复壮工作，杂交效果明显，经济效益显著。

Widely does the yak purification and rejuvenation work in the all over the autonomous state scope, the hybrid effect is obvious, the economic efficiency is remarkable.

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重新提纯复壮、在抗病性、抗逆性、生长期、产量、品质下很大功夫后上市。

Again, the disease resistance, the purification rejuvenation resistant, growth, yield and quality after a lot of work listed.

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蔬菜种植中，一方面大力推广蔬菜良种繁育和提纯复壮，使当家品种蔬菜良种覆盖率达到90%以上；

Vegetable cultivation, on the one hand to promote vegetable seed breeding and purification rejuvenation, so varieties of vegetable seed headed more than 90% coverage;

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