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Allelochemicals are the predominant constituents identified from root exudates, which have physiological and biochemical functions and take effect on soil biota.
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摘要植物根系分泌物包含多种功能次生物质,其中化感物质是具有重要生理生化功能的一类物质,这些化感物质释放到根际,能够对土壤生物产生影响。 |
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Allelochemicals' activity varies with temperature, photoperiod, water and soils during natural processes, with its initial concentration, compound structure and mixed degree during functional processes, with plant accessions, tissues and maturity within-s
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化感物质活性在自然过程中,由于温度、光周期、水和土壤等的不同而变化,在功能过程中随其初始浓度、化合物结构和混合程度不同而变化,在植物体内由于组织器和成熟程度不同而变化,而研究技术和操作过程也影响化感物质的活性。 |
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Allen Falkner's tongue is split down the middle, and when he sticks it out, it looks like a two-pronged snake tongue.
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艾伦·福克讷的舌头从舌尖到舌中部分开,当他把舌头伸出来时,舌头就像是有着两个舌尖的蛇舌。 |
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Allen Iverson, ice-cold from the court for most of the game, scored 35 points for Philadelphia, 16 in the fourth quarter.
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艾佛森在整场比赛一直没有杰出表现,后来才为七六人队拿下35分,在第四局攻下16分。 |
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Allen Lee Peng-fei recently became the third Hong Kong radio personality to go off the air.
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李鹏飞是香港最近封咪的第三位电台主持。 |
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Allen adds, I had a Diet Coke on-set and she was really craving for it!
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艾伦说,“一次我在拍摄现场喝无糖可乐,把她给馋坏了!” |
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Allen and I did everything ourselves.
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埃伦和我每件事情我们都自己做。 |
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Allen is inside cleaning his room.
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埃伦正在室内打扫他的房间。 |
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Allen is the chief objector to the proposed by-pass, but he has a vested interest because it would take most of the trade from his garage.
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阿伦是对所提议的旁路计划的主要反对者,他是既得利益者,因为那会把他汽车修理厂的大部分生意夺走。 |
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Allen was one of their neighbors.
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艾伦太太是他们的邻居。 |
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Allen went in the house and got his coat.
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艾伦进入屋内拿他的大衣。 |