Pattern analysis of different populations in natural secondary forest of Betula davurica in mountainous area of Beijing
北京山区黑桦天然次生林不同种群的格局分析
Pattern analysis of different populations in natural secondary forest of Betula davurica in mountainous area of Beijing
北京山区黑桦天然次生林不同种群的格局分析
Preparation and Modification of Silica Using Residue of Huadian Oil Shale
桦甸油页岩残渣制备白炭黑及改性研究
Study on the Development of National Folk Custom Culture Tourism Resources of Huachun Village in Heilongjiang Province
黑龙江省桦春村民族民俗文化旅游开发探析
He experiments with a vast range of woods, including Baltic birch and black walnut.
他还尝试用各种木材来制作,比如桦木和黑胡桃木等。
A Preliminary Investigation of the Sites of Han and Wei Dynasties in Huanan and Jiamusi,Heilongjiang;
黑龙江省佳木斯市、桦南县汉魏时期遗址调查简报
small black sawfly native to Europe but established in eastern United States; larvae mine the leaves of birches causing serious defoliation.
原产于欧洲但定居在美国东部的黑色小叶蜂;幼虫在桦树的叶子上钻洞导致严重的落叶发生。
"They drove in a black limousine, past groves of birch trees and endless rows of identical new buildings."
他们驾着一辆黑色大轿车,经过一片片白桦林,穿过一排排鳞次栉比的新建筑。
The lissome birchbark canoe seemed to be a fish, so easily did it cut through the rolling black waves and ranks of ice.
轻盈的桦皮舟像一条大鱼,在滚滚的黑色波涛和冰排中间飞一般地前进。
a genus of trees of the family Betulaceae (such as birches).
桦木科的一个乔木属(例如桦树)。
To whip with or as if with a birch.
桦条,作鞭打用用或似用桦条鞭打
birch:To whip with or as if with a birch.
桦条,作鞭打用:用或似用桦条鞭打。
Inotodiol-the active compound in Inonotus obliquus
桦褐孔菌中的活性化合物桦褐孔菌醇
a weeping birch, willow, etc
枝条下垂的桦树、 垂柳.
Shanghai Huajing Curtain Co., Ltd.
上海桦景窗帘有限公司
any betulaceous tree or shrub of the genus Betula having a thin peeling bark.
桦属的任何一种桦树或灌木,有薄的剥落的树皮。
Research progress and foreground of betulin and betulinic acid
白桦脂醇、白桦脂酸的研究进展及其前景
Photosynthetic Characteristics and Water Use Efficiency of Betula platyphylla and Betula maximowicziana Seedlings
白桦和真桦光合特性及水分利用效率的比较
Selective oxidation of betulin for betulinic acid preparation
非金属选择性催化氧化桦木醇制备桦木酸
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