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穴播机

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The comprehensive seeding accuracy testing method proposed in this dissertation to test performance of precision seeder, grain drill seeder, hill-drop planter, seeding monomer, and seed sowing device is an integrative one with technology of computer vision, patter recognition, and automatic control.

本文提出的适用于精密播种机、谷物条播机、穴播机,及排种器等多类型播种机具的播种精度检测方法,是集计算机视觉、模式识别、自动控制为一体的综合技术。

A wheat hill drop planter used for perpendicularly inserting film mulching field was developed and its major shortcomings existed in the roller type planter were overcome.

引言滚轮式小麦覆膜穴播机存在的突出问题是种穴与膜孔错位率高,穴粒数均匀度差,易于造成空穴,成穴器撕膜、挑膜严重,种孔覆土不良。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。