1.
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
2.
a genus of trees of the family Betulaceae (such as birches).
桦木科的一个乔木属（例如桦树）。
3.
To whip with or as if with a birch.
桦条，作鞭打用用或似用桦条鞭打
4.
birch:To whip with or as if with a birch.
桦条,作鞭打用:用或似用桦条鞭打。
5.
Inotodiol-the active compound in Inonotus obliquus
桦褐孔菌中的活性化合物桦褐孔菌醇
6.
a weeping birch, willow, etc
枝条下垂的桦树、 垂柳.
7.
Shanghai Huajing Curtain Co., Ltd.
上海桦景窗帘有限公司
8.
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。
9.
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
10.
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
11.
birch of western United States resembling the paper birch but having brownish bark.
美国西部的一种桦树,类似于纸皮桦,但是树皮棕色。
12.
a smooth leather tanned with willow, birch, or oak, and scented on the flesh side with birch oil.
一种光滑的皮革，经过柳木、桦木、橡木硝制，内壁用桦树油加上香味。
13.
Extraction of Betulin from Changbai Mountain Birch Bark, Synthesis of Its Derivatives and Study on Their Bioactivities;
长白山白桦树皮中白桦脂醇的提取、衍生化及生物活性研究
14.
Preliminary Study on Betulinic Acid and Betulin Derivatives' Anti-cancer Acitivity and Mechanism in Inducing Cell Apoptosis
桦木酸及桦木醇衍生物抗癌活性和诱导凋亡机理初步研究
15.
HPLC Determination of Catechin and Betulin in White Birch Bark
高效液相色谱法测定白桦树皮中儿茶素和白桦酯醇的含量
16.
any shrub or tree of the genus Grevillea.
任何属于银桦属的灌木和树。
17.
well-seasoned oak, birch, etc
充分风乾可用的栎木、 桦木等.
18.
He used a piece of birch to make a small boat.
他用一块桦木做一只小船。