n.杨树;科杨属;
英文例句/中文翻译:
Oxygen Delignification and Strengthened Oxygen Delignification of Triploid of Populus Tomentosa of Soda-AQ pulp with Lower-kappa Number
三倍体毛白杨低硬度化学浆氧脱木素和强化氧脱木素的研究
Research of cold resistance of new Populus Euramerican a variety
欧美杨新品种抗寒性的研究
The effects of litter layer on splash erosion in Populus davidiana woodland
山杨林地枯落物层对溅蚀的影响