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ke ji dong tai
Pages: 14+25
Year: Issue:  2
Journal: Farm Machinery

Keyword:  变异程度引器光学仪器喷雾机划印器合作研制田间试验科技动态玉米带风力机;
Abstract: <正> 光学指引器为提高播种及大,中型喷雾机作业中指引精度,黑龙江省853农场与长春光学仪器研究所第四光学仪器厂合作研制了光学指引器。经田间试验,播种联接往复重漏变异程度为1.8%,大大超过了机械式划印器播种重漏变异程度3.5%的指引精度。这种指引器具有以下特
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