The researches about the classification and identification of their species and varieties have provided an early, subservient and selective index for breeding work.

其种间或品种间的分类鉴定和亲缘关系的研究为育种工作提供了一个早期的、辅助的、选择性的指标。

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The analysis all of the experiment data indicate that the harvest index can be as a standard of selection of the early separate generations of the wheat breeding.

整个试验数据的分析表明：收获指数可以作为小麦育种早期分离世代对产量性状进行选择的一个标准。

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MOE reflects log or lumber material anti-bend, important index of the anti-press strength, which is the important contents for developing forest wood breeding.

杨氏弹性模量是反映树干或板材抗弯、抗压强度的重要指标，是开展林木材质育种研究的重要内容。

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This year, the visiting ranchers are preoccupied by the beef industry's informal pessimism index the share of young cows that farmers slaughter for meat rather than keep for breeding.

ECONOMIST: Argentina's meaty diet