If you have never worn Birkenstock Betula sandals, you are in for a real treat.
世界上没有绝对的公平，不过相对的公平还是存在的。
For your career, Betula forest without relying on heaven-sent, mainly by self-seeking.
适合你的事业，白桦林不靠天赐，主要靠自我寻找。
For your career, Betula forest without relying on heaven - sent, mainly by self - seeking.
适合你的事业，白桦林不靠天赐，主要靠自我寻找。
A new method of determining the antioxidant activity of betulin from betula bark is established.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
This result indicates further that there exist broad inheritance both in populations and in individuals of Betula alnoides.
这一结果进一步表明西南桦在群体、个体上存在广泛遗传变异。
The fine-roots of Betula platyphylla forest have quick decomposition rate, so it plays an important role in soil nutrient return.
白桦林细根分解较快，在土壤养分归还方面能发挥重要作用。
This research demonstrated:Surface pollen content of Betula and Pinus is much more than their coverage in community, so they have extra representation;
研究表明：桦属和松属在表土中的花粉百分含量大于群落中植物的盖度，具超代表性；
Combining with the morphology and anatomy, the relationship between the development of male flower on Betula and these endogenous hormones was researched.
结合白桦雄花形态解剖观察，研究了这些内源激素与白桦雄花发育的关系。
Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
此外，有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
The interior, including the flooring and two curvilinear benches for sitting and sleeping, is mostly plywood made from Scots pine (Pinus sylvestris) and birch (Betula pubescens).
内部包括地板，双曲线的长椅，大多是胶合板制成的欧洲赤松（樟子松）和白桦（Betula pubescens）。
The reproductive cycle and temporal characteristics of flower development for the female and male inflorescences of 20 to 30_year_old Betula platyphylla in northeastern China were studied.
以20~30年生白桦的雌雄花序为材料，研究东北地区白桦花发育的生殖周期和发育时序特征。
The reproductive cycle and temporal characteristics of flower development for the female and male inflorescences of 20 to 30_year_old Betula platyphylla in northeastern China were studied.
以20~30年生白桦的雌雄花序为材料，研究东北地区白桦花发育的生殖周期和发育时序特征。
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