求翻译：针对目前大豆收割装置在收割作业时，割刀在相对机架作往复直线运动的同时伴随机组前行， 其相对地面的运动是横向往复和纵向前行的合成， 这种运动规律严重影响着切割质量。而且目前的切割装置往往因为各种因素而是切割工作效率低下，割刀寿命缩短。该文通过对大豆收割机构往复式切割器的运动分析，来研究影响收割质量的因素。通过运动分析发现，定刀片节距 的大小、进程 的大小、工作根据作物的高矮和倒伏情况、适当选择刃速及行走速度的比例关系都严重影响切割质量，因此应适当选择割刀的进程 和定刀片节距 的大小等。是什么意思？

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Harvests the installment in view of the present soybean when harvests the work, the cutter while the relative rack makes the straight reciprocating main motion to follow the unit vanguard, its relative ground movement is the crosswise reciprocation and the longitudinal vanguard synthesis, this kind

Current soybean harvesting device at the time of harvesting, cutting knife in relative reciprocating linear motion accompanied by a rack unit to move on, its relative ground movement is horizontal and vertical back and forth along the synthesis, which seriously affect the motion of cutting quality.