周长宽
Girth width
以上为机器翻译结果，长、整句建议使用 人工翻译 。
杂交水稻剑叶的叶周长和叶长主要与恢复系相关，叶宽和长宽比主要与不育系相关。
The perimeter and length of sword leaf of hybrid rice closely related to restorer line. The width and the ratio of length to width of sword leaf of hybrid rice mainly related to male sterile line.
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