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poplar相关的网络例句

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与 poplar 相关的网络例句 [注:此内容来源于网络,仅供参考]

In addition to Larix, there pumila, birch, poplar and other tree species, forest neat, unit volume, is the territory of the economic value of Shanxi's largest forest, and other resources is also very rich in wild plants.

除落叶松外,还有白榆、白桦、白杨等树种,林相整齐,单位蓄积量高,是山西境内经济价值最大的林区,其他野生植物资源也很丰富。

Li Zhong Hai introduced the use of the existing wooden chopsticks and output greater than the bamboo chopsticks, and wooden chopsticks in the standard of technical requirements for the production of more wooden chopsticks, if he is required to apply to the species of birch, poplar, and so on, this is useful for restricting the use of wood, to improve efficiency.

李忠海介绍说,目前木筷的使用量和生产量远大于竹筷,因而木筷标准中对生产技术要求的篇幅较多,如规定木筷适用树种为桦木、杨木等,这有利于限制用材、提高木材使用效率。

China's imports of major timber ports: Pinus sylvestris, the Korean pine, pine scale, white pine, birch and poplar.

进口到中国口岸的木材主要有:樟子松、红松、鱼鳞松、白松、桦木和杨木。

The Chinese white poplar veneer and birch veneer were dyed with different color fastening methods following an orthogonal experiment so as to investigate the effects of different dyestuffs,color fastening agents,dosages and add in methods of color fastening agents on the color stability of the dyed veneer.

设计正交试验对大青杨单板和桦木单板进行不同固色工艺的染色处理,考察不同的染料、固色剂、固色剂添加量以及添加方式对染色单板颜色稳定性的影响。

Fourth, Wood: Forest Farm in Inner Mongolia all the year round supply of various types of pine, birch, poplar logs and all kinds of sheet metal.

四、木材:常年供应内蒙林场各类松木、桦木、杨木原木及各类板材。

Produce plywood and concrete forming as poplar,birch,red oak,okume and ay ous.

主要产品有全杨木、桦木、红橡、奥古曼、阿由思等胶合板和建筑模板。

The total content of alkanes and aromatics were up to 60.01% 57.86% for poplar leaves and birch leaves with H/C molar ratio 1.79 and 1.89, O/C molar ratio 0.035 and 0.036, and HHV 45.47 MJ·kg~(-1)and 46.03 MJ·kg~(-1)These data shows that the oil from leaves was very similar to petroleum.

树皮样品所得油中碳氢化合物成分总含量有所降低,油的热值也有所降低,大体在40MJ·kg~(-1)左右,但是在树皮所得油中出现了大量的酚类物质,百分含量在40%左右。

Beavers in the wild usually eat the bark of poplar, willow, birch and maple trees, using the wood for their dams.

它并不把这些当成是食物来源,所以我们就用注射器慢慢喂它吃。

The crack and stress-strain of Chinese White Poplar were studied by the box counting method. The results showed that the cracks were obvious fractal and that the value of dimension D was determined to be between 1.2~1.5 by studying the crack propagation in the two dimensions. By comparing the crack propagation over a period of time, we found that the value of D increased as the crack increased.

运用数盒子法对裂纹发育带在二维平面内的分布进行了分形特征研究,发现木材裂纹具有明显的分形规律,分形维数为1.2~1.5;通过比较不同时间段的裂纹发育情况,发现裂纹的分形维数随着裂纹的扩展呈增加的趋势。

After cruising along the willow-and poplar-lined bank of Shichahai Lake, where elderly men fish or play Chinese chess, we arrive at the imposing 700-year-old Guanghua Temple.

我们先是在长满柳树和白杨的什刹海岸边漫步,这儿有很多老人钓鱼、下象棋。然后我们又来到雄伟的广化寺,它有700年的历史。

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The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。