网络例句
杨树
- 与 杨树 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The secondary popular and birch forest is the pioneer community after the Broadleaved Korean pine forest.
杨树和桦树都是生长速度快的强阳性树种，阔叶红松林一经破坏，它们首先占据采伐和火烧迹地，迅速成林。
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The results showed that, the oligosaccharides have elicitor activity, and could induce the notable increase of PAL, chitinase,β-1, 3-glucanase activity and accumulation of hydroxyproline-rich glucoprotein and lignin.
结果表明，该低聚糖具有明显的激发子活性，能够诱导杨树细胞苯丙氨酸解氨酶、几丁质酶、β-1，3-葡聚糖酶活性显著增高（分别为对照的2.80，1.99，2.84倍）和木质素、HRGP的积累（分别为对照的2.35，2.61倍）。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗，我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。