我们比较了3个地中海栎属(Quercus)树种幼苗和成龄树的叶脉和气孔性状.之前的研究表明,幼苗的气体交换率往往比成龄树的要高.我们......

To compare the spatial and vertical variation in calorific value of two Quercus species (Quercus acutissima Carr.and Que......