为了改善水稻垂直圆盘气吸式排种器的排种性能，找出影响其排种性能的关键因素，按照国标GB-6973-86《单粒（精密）播种机试验方法》中排种指标的计算方法来衡量排种性能。
To improve the rice vertical disk seed sowing device function, find out affect sow key factor. According to the country GB-6973-86to measures the sowing seed function.
为了改善水稻垂直圆盘气吸式排种器的排种性能，找出影响其排种性能的关键因素，按照国标GB-6973-86《单粒（精密）播种机试验方法》中排种指标的计算方法来衡量排种性能。
To improve the rice vertical disk seed sowing device function, find out affect sow key factor. According to the country GB-6973-86to measures the sowing seed function.
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