belt type seed metering device 带式排种器
stationary-opening seed metering device 定孔式排种器
seed-metering theory 排种理论
precision seed-metering 精密排种器
The homogeneity of seeding is one of the most important specifications to reflect the work performance and quality of the precise seed metering. The parameter is difficult to detect.
排种均匀度是反映精密排种器工作性能与质量的重要指标，也是一项较难测定的参数。
参考来源 - 基于高速摄像的精密排种器性能检测的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper proposed a kind of cylindric tube air-suction seed metering device suitable for corn precision seeder, introduced the structure and the principle.
提出了一种适用于玉米精播机的圆管式气吸排种装置，介绍了结构和原理。
Aiming at the meeting the request of wheat precision seeding, the traditional precision seed metering device was improved, and the range of some parts parameter were defined.
为适应小麦精密播种的要求，对传统气吸式精密排种器进行改进，确定了各部件参数的取值范围。
Based on measuring, statistics and research on configurational characteristics of garlic clove, the key component of rotary garlic single-clove directional seed metering device is designed.
在对蒜瓣外形特征进行测量并统计研究等基础上，设计了旋转式蒜瓣单粒定向取种器的关键部件-仿生种穴排种盘的结构形式。
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