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The results were as follows: the air-dried density(moisture content of wood is 12%),the basic density and the oven-dry density were 0.583 g·cm-3,0.462 g·cm-3 and 0.507 g·cm-3 respectively,the air-dried density was at the medium level in domestic wood species;the shrinkage coefficient of radial,tangential and volumetric were 0.099%,0.183% and 0.296% respectively,the maximum s...

结果表明:大叶木材的气干密度(含水率为12%)、基本密度和全干密度分别为0.583 g.cm-3、0.462 g.cm-3和0.507 g.cm-3,气干密度属于国产木材的中等级水平;径向、弦向和体积干缩系数分别为0.099%、0.183%、0.296%,湿胀率依次为4.106%、7.958%和12.627%,差异干缩为1.5-1.9,其尺寸稳定性较好;冲击韧性为52.12 kJ.m-2,端面、径面和弦面硬度分别为41.53 MPa、31.41 MPa和35.51 MPa,顺纹抗压强度为44.50 MPa,抗弯弹性模量和抗弯强度分别为12.63 GPa和127.31 MPa,径面和弦面顺纹抗剪强度分别为8.76 MPa和10.54MPa,抗劈强度依次为124.3 N.mm-1和138.6 N.mm-1。

The diversity indices of communities located between 1400 and 3600m of theTaibaishan,the highest peak of Qinling Mountain Range located in the southern edge ofthe WTZC,are studied based on data from 55 quadrats.

对秦岭主峰太白山海拔1400-3600m之间植被类型和物种多样性进行了研究,在划分的15种群落类型中,以位于海拔1500-2300m之间的落叶阔叶混交林和类混交林的群落多样性最高,在海拔2300-3600m之间,群落多样性趋于单调下降,反映了熟量的不足在这一海拔高度范围成为多样性的主要限制因子。

There stood beautiful palm-trees, oaks, and plantains; there stood parsley and flowering thyme: every tree and every flower had its name; each of them was a human life, the human frame still lived--one in China, and another in Greenland--round about in the world.

那儿还有许多美丽的棕榈树、树和梧桐树;那儿还有芹菜花和盛开的麝香草。每一棵树和每一种花都有一个名字,它们每一棵都代表一个人的生命;这些人还是活着的,有的在中国,有的在格林兰,散布在全世界。

There stood beautiful palm-trees, oaks, and plantains; therestood parsley and flowering thyme: every tree and every flower had its name;each of them was a human life, the human frame still lived--one in China, andanother in Greenland--round about in the world.

那儿还有许多美丽的棕榈树、树和梧桐树;那儿还有芹菜花和盛开的麝香草。每一棵树和每一种花都有一个名字,它们每一棵都代表一个人的生命;这些人还是活着的,有的在中国,有的在格林兰,散布在全世界。

There stood beautiful palm-trees, oaks, and plantains; therestood parsley and flowering thyme: every tree and every flower had its name;each of them was a human life, the human frame still lived--one in China, andanother in Greenland--round about in the world.

那儿还有许多美丽的棕榈树、树和梧桐树;那儿还有芹菜花和盛开的麝香草。每一棵树和每一种花都有一个名字,它们每一棵都代表一个人的生命;这些人还是活著的,有的在中国,有的在格林兰,散布在全世界。

Since 1959 a condition of cattle called"Oedematous disease"with high morbidity and mortality has occurred periodically every spring in some mountainous regions in Szechuan province.

本文报告了四川省一些深丘陵区每年春季发生的一种&耕牛水肿病&,发病率与死亡率高,经过多年的调查研究和人工复制确证为牛采食树嫩叶芽中毒。

Suddenly Yue drew one of his pink nubs into his mouth, while meddling with the other with a hand.

突然,鑫把他的一个粉红突起含入嘴里,同时用手逗弄另一个。

Well-seasoned oak ,birch,etc

充分风干可用的木、桦木等。

Well-seasoned oak , birch, etc

充分风乾可用的木、桦木等。

This paper introuduced the symptom of death of oak along Japanese Sea, causes and prevention and cure measures.

阐述了沿日本海一侧的日本各地发生的较大规模的被称为&第 2 松材线虫病&的类树木枯死的灾害症状、原因及其防治。

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推荐网络例句

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。

The lawyer's case blew up because he had no proof.

律师的辩护失败,因为他没有证据。