noun
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1
- a switch consisting of a twig or a bundle of twigs from a birch tree;used to hit people as punishment
- my father never spared the birch
- Synonym: birch rod
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2
- any betulaceous tree or shrub of the genus Betula having a thin peeling bark
- Synonym: birch tree
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3
- hard close-grained wood of any of various birch trees;used especially in furniture and interior finishes and plywood
verb
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1
- whip with a birch twig
adj
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1
- consisting of or made of wood of the birch tree
- Synonym: birchen birken
数据来源:WordNet
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Birch trees sprouted from the rubble and grew into a dense young wood .
桦树从瓦砾中长出来,形成了一片茂密的新林。
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The birch has smooth bark and slender branches .
桦树有光滑的树皮和细长的树枝。
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The birch is still considered a protection against evil spirits by some people in northern Europe .
一些北欧人仍然认为白桦可以辟邪。
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Just walk to that clump of birches at the turn .
就走到转弯处那丛桦树那儿。
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Sumac trees have economic , birch , linden trees , such as EVA parker .
经济林木有漆树、桦树、椴树、桦柏等。
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Seed of birch flies from the time of seed maturity in July until the following spring , but aspen seed only during a short period in summer .
桦树种子从7月份种子成熟开始飞散,一直到第二年春天,但白杨的种子仅在夏天短期内就飞散完毕。
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In Beijing , for example , the most common allergenic pollens in spring include those from the large-fruited elm tree , Cathay poplar , ash , acacia and white birch .
以北京为例,春季最常见的致敏花粉包括榆树、杨树、白蜡、合欢树和白桦的花粉。
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Advances in Research on Processing Technology of Birch Sap in China
桦树汁加工利用研究进展
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Application of birch algorithm in adaptive Web site design
BIRCH算法在自适应WEB设计中的应用
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Study on the three kinds of birch from big Xian mountain
大兴安岭三种桦木构造与材性的比较研究
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A Study on the Drying Characteristics of Small Diameter Birch Logs
桦木小径原条干燥特性的研究
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He used a piece of birch to make a small boat .
他用一块桦木做一只小船。
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Research of extrusion composite technology of birch fiber and polypropylene
桦木锯屑/聚丙烯挤出复合技术研究
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BIRCH algorithm is a clustering algorithm for very large datasets .
BIRCH算法是针对大规模数据集的聚类算法。
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Experimental study of antitumor effects produced by the extraction of birch bark
桦树皮提取物抗肿瘤作用实验研究
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Effect of Drying Condition on Shrinkage of Small Diameter Birch Logs
干燥条件对小径桦木干缩性能的影响
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MRNA differential display system of Birch was established .
建立了适应白桦的mRNA差异显示分析体系,优化了反应条件和反应程序。
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Parameter Selection of Dyeing Technology for Core and Surface of Birch Veneer
桦木单板芯表层染色工艺参数的遴选
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Stress of Surface Layer of Small-Diameter Birch Timber with Different Heating Methods
不同加热方式下白桦小径木锯材的表层应力
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It is a life culture created on the abundant northern birch materials .
桦树皮文化是依托北方丰富的桦树资源而创立的生活文化,在生活中表现为丰富多彩的桦树皮制品,是北方民族物质文化的重要内容;
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A Method for DNA Extraction from Mature Birch Leaves Rich in Polysaccharide
富含多糖的白桦成熟叶片DNA的提取方法
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The Preliminary Study on Drying Process Traverse Strains of Asian White Birch
白桦木材干燥过程横纹流变特性的初步研究
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Preliminary Approach to the Drying Feasibility of Small Diameter Birch Logs
桦木小径原条干燥可行性初探
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The health protection function of birch juice in the Qinling Mountains
谈谈秦岭桦树汁的滋补保健作用
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This paper described the antiseptic method of birch .
本文叙述了桦木的方法。
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Change of surface properties during oxygen bleaching of birch sulphate pulp
氧漂期间桦木硫酸盐纸浆表面性质变化的探讨
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Research on Birch Clustering Algorithm Based on Latent Semantic Indexing and Immunological Learning
基于潜在语义索引和免疫学习的BIRCH聚类算法研究
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Studies on the Optimum Plantation Density of Artificial Birch Forest
营造白桦人工林最佳初植密度研究
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The birch bark culture is an component part of the primitive human culture .
桦树皮文化是人类原始文化的组成部分。
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As the area of natural birch forest operation to provide a theoretical basis and technical support .
为该地区天然白桦次生林的经营提供理论依据和技术支持。