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。

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.

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迄今为止，我国棉花品质育种虽然取得了很大的进步，但纤维强度的提高仍较缓慢。

So far, great progress has been made in cotton quality breeding in our country, but the improvement of fiber strength still lags behind.

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