The ecology of plants covers topics that you might find in a general ecology textbook, but with the focus on the interactions between plants and their environment over a range of scales.

植物的生态学覆盖你可以在一本一般的生态学教科书方面找到的题目，但是由于集中于在植物和他们的环境之间的相互作用在规模范围内。

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When reading a textbook, the main idea might be to get a general overview of the material and take in some basic facts.

当你在阅读课本时，一般只需要对书有一个宏观把握，并消化其中的基本概念。

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This new textbook was complied for general use by a specialist group.

教材是由专家组统编而成的。

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We discussed the California digital textbook program as well as the use of digital textbooks in general.

VOA: special.2009.12.31

The Secretary-General presented the Organization with a natural science textbook printed by UNESCO in 1956 and distributed to school children, Ban Ki moon among them, in post-war Korea.

UNESCO: EDUCATION FIRST