Disc sickle labor power cutter is designed which advanced attachment makes function as walking and precutting part straw, cutting finished by cutter section rotation.

设计了圆盘刀人力割禾器，其推进只是起到行走和预切割部分茎秆的作用，切割主要由动刀旋转来完成。

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He cites a 1978 paper that showed a link between the gene behind sickle cell disease and a variation in a section of junk DNA. Jacobson dismisses as poppycock the notion that noncoding DNA was understood back then.

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