以上来源于: WordNet
The effects of elevated CO2 concentration on dry matter allocation and nutrient contents of red birch seedlings were studied under two planting densities in controlled environment Chambers.
采用控制环境生长室研究了2个密度水平下CO2浓度升高对红桦幼苗干物质分配与营养的影响,并分析了红桦干物质分配与养分浓度的关系。
Exhibit: American hardwood lumber and floorings. species include red oak white oak ash hard maple soft maple hickory cherry basswood beech birch curly soft maple butternut white pine etc.
展品:北美硬木板材,地板等。品种包括红橡,白橡,水曲柳,硬枫,软枫,山核桃木,樱桃木,椴木,山毛榉,桦木,波纹软枫,白胡桃,白松木等。
Species include Red Oak, White Oak, Ash, Hard Maple, Soft Maple, Hickory, Cherry, Basswood, Beech, Birch, Curly Soft Maple, Butternut , White Pine, etc.
品种包括红橡,白橡,水曲柳,硬枫,软枫,山核桃木,樱桃木,椴木,山毛榉,桦木,波纹软枫,白胡桃,白松木等。
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