例句與用法

1. This paper investigated the fungus flora of 8 main tree species , which are pinus tabulaeformis , larix principis - rupprechtii mayr , betula platyphylla suk , ostryopsis davidiana decne , ulmus pumila l . , quercus liaotungensis koidz , populus davidiana dode , prunus ansu , in daqingshan mountain
   大青山地區(qū)環(huán)境惡劣、植被破壞嚴(yán)重，利用菌根生物技術(shù)實(shí)現(xiàn)植被恢復(fù)是一個重要方向。本文對大青山8個主要樹種，即：油松、落葉松、白樺、虎榛子、榆樹、遼東櫟、山杏菌根資源及生態(tài)進(jìn)行了調(diào)查。