Vacuum suction seeding-machine can increase operating speed, and that save seeds.
气吸式播种器能够提高作业速度, 而且节省种子.
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The successional law and mechanism of aerial seeding community were studied.
本文主要探讨了飞播后植被的演替规律和演替机制.
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A silicone-acrylic grafted copolymer emulsion has been prepared by seeding emulsion polymerization.
采用种子乳液聚合法制备了有机硅 - 丙烯酸酯接枝共聚物乳液.
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The growth of BaTiO _ 3 ( BTO ) crystals by top-seeding method is presented.
本文介绍了采用感应加热顶部籽晶法生长BaTiO_3晶体的工艺技术.
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For me, being champions is more important than the past for seeding.
比起已经过去的如何确定种子队, 成为冠军联赛冠军对我们显得更加重要.
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Arbor seeding occupies only 0.216 % , shrub 0.212 % and liane 1.046 %.
等优势种所构成的草本植物(98.527%)为主,乔木幼苗个体比例在调查中只占到0.216%, 灌木、藤本分别占0.212%和1.046%.
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Sod seeding is now a practicable proposition on permanent pastures of the better soils.
在有比较优良的土壤的永久草场上,草皮播种是一项可行的事.
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Direct seeding reduces the cost of production and lends itself to mechanization.
直接播种可降低生产成本,也容易机械化.
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木课题运用计算机控制技术,设计了精量播种机排种自动控制系统.
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本文用一维时变积雨云模式对一块积雨云进行了播撒人工冰晶或水滴的多种数值试验,得到了增加降水或减轻冰雹灾害等效果。
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采取地面覆盖或施用脱落酸的方法能确保竹苗免受冻害顺利过冬。
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