Species diversity indices of shrub layer were higher than those in arbor layer and herb layer.
群落的物种多样性高,各项物种多样性指数的大小关系:灌木层>草本层>乔木层。
参考来源 - 广西千家洞自然保护区珍稀濒危植物福建柏群落的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Which day is Chinese Arbor Day?
中国的植树节是哪一天?
What do people often do on Chinese Arbor Day?
人们常常在中国植树节这一天做什么?
He says -- speaking by Skype from his office in Ann Arbor,Michigan -- that he is hopeful the program will work.
VOA: special.2010.06.02
They were engaged in arbor culture; they had fruit trees that produced very well.
他们擅长园艺,他们栽种着大量果树并且产量丰富
and knowing that the sound image correlative to the concept tree is "arbor," right, arbor I can think of something like that , something in some way resembling that.
树这个词所对应的声音形象是,凉亭,对,凉亭,也就是像我画的树这样,至少是像这样的东西。
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