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- Establishment and optimization of tree volume table of cinnamomum cassia 肉桂立木材积表的编制及优化
- Studies on the Tree Volume Table Compilation of Cunninghamia lanceolata and Pinus massonianaCommercial Timber in Mingxi County 明溪县杉木马尾松商品材立木材积表编制的研究
- aerial tree volume table 航测树木材积表
- tree volume table 立木材积表,树木材积表
- This paper expounded the method of compiling univariate standing volume table of cupressus funebris. 阐述了编制贵州省柏木立木一元地径材积表的方法、技术要点。
- Three tree factors of diameter at breast height,tree height and tree volume of Japanese larch had been studied by using 5 empirical formulas and grey GM(1,1)model in this paper. 对日本落叶松三测树因子采用了5个经验方程和灰色GM(1,1)模型进行研究,经验方程中选中了柯列尔式,柯列尔式的各测树因子的残差平方和均小于GM(1,1)的残差平方和。
- The average tree volume,height and diameter of 6 superior families were above 0.033 339 m3,11.31 cm,6.62 m respectively which had average genetic gains above 30%,9%,11%. These superior families could be used for seed orchard and vegetative propagation. 调查数据经过统计分析;从参试的家系中选出6个优良家系;其材积、胸径、树高平均值分别达到0.;033 339m3、11
- The results showed that the increments of tree height，DBH and tree volume of Chinese fir pure forest were similar to mixed forest in the first 4 years，but those of pure forest rapid fell later on. 结果表明，纯林杉木生长落后于混交林杉木。与纯林相比，混交林杉木16年生时单株材积增加了70.;10%25；
- VTOC? Volume Table Of Contents? 卷目录表?
- In the fell task design and cumulation calculation,the same calculation method should be taken and a one way volume table with regionality should be workouted so as to reduce the errors. 在采伐作业设计和伐后验收的蓄积计算上应采用相同的计算方法或编制区域性根径一元材积表,以减少误差。
- Drawing up volume table for white birch 大兴安岭地区白桦天然林材积表的编制
- As the car hit the tree he was snot out. 汽车扭在村上，他被猛地摔了出来。
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Study on measurement precision of standing tree volume 立木材积测算精度的研究
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The car hit the tree with a sickening crash. 那辆汽车撞在树上发出让人难受的撞击声。
- An arrow whizzed past and stuck in a tree. 一支箭“飕”地一声飞过去，钉在一棵树上。
- The volume of this container is 20 cubic meters. 这个集装箱的体积是20立方米。
- The squirrel ran up a tree and got out of my reach. 松鼠跑到树上去了，我逮不着。
- This volume is foxed on the flyleaf. 这卷书的空白页发黄了。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
