仿形机构是播种机的重要工作机构。
该仿形机构的特点是结构简单、仿形灵活，且仿形力可进行准确的变换。
The feature of this profiling mechanism is that: structure is simple, profiling is easy and profiling force can be changed.
本文介绍了一种适用于哈密瓜机械削皮机的仿形机构，并就其结构形式和主要结构尺寸进行了初步的设计。
This paper describes the profiling mechanism of Hami melon rind planer. The structural model and main structural size of profiling mechanism is designed.
本文提出了具有平行四连杆仿形机构的精密播种单体的数学模型，并使用该数学模型对精密播种单体作了动力学分析。
The mathematical model of the precision drill unit with parallelogram linkage was brought up and its dynamic behaviors were analyzed with this mathematical model.
传统联合收割机割台利用机械仿形机构或人工方法来调整工作高度，其实时性和准确性较差，且不能进行割台高度数据的获取和分析。
The operational height of the combine header was adjusted by mechanical profiling organization or manually, which had less accuracy and limited real time, and shortage of acquiring and analyses data.
传统联合收割机割台利用机械仿形机构或人工方法来调整工作高度，其实时性和准确性较差，且不能进行割台高度数据的获取和分析。
The operational height of the combine header was adjusted by mechanical profiling organization or manually, which had less accuracy and limited real time, and shortage of acquiring and analyses data.
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