生态学是研究生物间的相互作用和自然环境中的物质与能量。
Ecology is a study of how organisms interact with one another and with their physical environment of matter and energy.
菌根真菌与根际微生物间的关系及其对宿主植物的影响是近年来菌根研究的一个热点问题。
One of the focus problems of mycorrhizal researches has been laid on the relationships between mycorrhizal fungi and microbe of rhizosphere and their influences on host plant.
即使到了17世界的末期，科学家对不同生物间的联系关系依旧一无所知，生物的描述和分类也是杂乱无章。
At the turn of the 17th century there was no sense of how creatures were related to each other; descriptions and classifications were unsystematic.
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