求翻译：湖北是我国油菜主产区，但在成熟收割期多有连阴雨发生，而且油菜有后熟期，用联合收割机一次性收获早了产量太低，晚了损失很大，人工收割更是麻烦，所以油菜收割已经成为农民最头痛的事情。 雷光品、李平、吴家华、陈芝德，根据油菜有后熟期的特点，对传统收割机的割台、板滚、进料口、内筛片等部件进行改装后，实行分段收割，即油菜分段机械收割技术。是什么意思？

Hubei is the main producing areas of rape, but more continuous rain to occur in the mature harvest, and rapeseed after-ripening period, combines a one-time harvest as early as the yield is too low, and late loss of a large artificial harvest is even more troublesome, so The rapeseed harvest has beco

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