In this paper the high efficient technology of virus free minituber production of potato under cold condition in the cold area of northwestern Hebei was studied.
试验研究了在冀西北高寒区冷凉气候条件下脱毒微型薯的高效生产技术。
In the manufacture of high-quality products and efficient production processes, precision measurement technology plays a significant role, and it is growing importance.
在制造高质量产品和高效率生产过程中，精密测量技术起到了很大的作用，而且其重要性与日俱增。
In the manufacture of high-quality products and efficient production processes, precision measurement technology plays a significant role, and it is growing importance.
在制造高质量产品和高效率生产过程中，精密测量技术起到了很大的作用，而且其重要性与日俱增。
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