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   tree census 的翻译结果: 查询用时:0.197秒
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tree census
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  “tree census”译为未确定词的双语例句
     THE TREE CENSUS AND THE TREE SELECTS ON GARDEN-MAKING ABOUT CHANG ZHOU CITY,HEBEI PROVINCE
     河北省沧洲市园林绿化树种调查与树种选择
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  相似匹配句对
     The Trouble Tree
     烦恼树
短句来源
     TREE HOUSE
     树屋
短句来源
     Population Census
     中国人口普查研究
短句来源
     THE TREE CENSUS AND THE TREE SELECTS ON GARDEN-MAKING ABOUT CHANG ZHOU CITY,HEBEI PROVINCE
     河北省沧洲市园林绿化树种调查与树种选择
短句来源
     The functional discussion of the census system
     论户籍制度的功能定位
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  tree census
In Meru, a tree census on 35 farms covering 60 ha was conducted.
      
We first sought the possible determinant factors (physical environment and overstory conditions based on 30?years' tree census data) deciding the dominant species in the plots (168 3.14m2 area).
      
Effect of temporal autocorrelation on apparent growth rate variation in forest tree census data and an alternative distribution
      
We estimated the total above-ground biomass of a mature stand using tree census data obtained in a 6-ha plot every 2?years from 1994 to 1998.
      
We experimentally clear-cut a plantation and undertook a detailed tree census before and after clear-cutting.
      


We had made tree census for twice to go to Chang Zhou city ,He Bei Provinee Whose soil is serious saline and alkaline The trees we had investigated amount tomore than 1300 trees They belong to 21 fanilies ,47 genuses ,we had analized the investigated conclusion So we had selected the capital trees and the vital trees in deiverse green surface according to the natural environment of the city

二次赴重盐碱地城市沧州市进行绿化树种调查,共调查树木1347株,分属21科47属。分析调查结果,并据沧州市的自然概况,选择沧州市的基调树种和各类型绿地的骨干树种。

There are over 20,000 ancient trees within the territory of Beijing. According to the 1988's third ancient tree census, within the city and suburbs, there are over 3804 trees over three hundred years old, 19,723 trees over one hundred years old, and the ancient trees in the far suburban towns number as many as 50,000. Most of these trees were planted between the Liao-Jin and the Ming-Qing Dynasties. The oldest trees trace back to the Han and Tang Dynasties. Many of these trees...

There are over 20,000 ancient trees within the territory of Beijing. According to the 1988's third ancient tree census, within the city and suburbs, there are over 3804 trees over three hundred years old, 19,723 trees over one hundred years old, and the ancient trees in the far suburban towns number as many as 50,000. Most of these trees were planted between the Liao-Jin and the Ming-Qing Dynasties. The oldest trees trace back to the Han and Tang Dynasties. Many of these trees are evergreen Cyprus trees, pine trees, and leaf-bearing trees like ginkgo trees, pagoda trees, and jujube trees.

北京市市区有2万多株古树。据1988年第三次古树普查,仅北京市内及近郊就有300年以上树龄的一级古树3804株,百年以上的古树19723株,如加上远郊区县的古树约50000株左右。(古树的树龄必须超过100年,300年以上的为一级古树,100年以上的为二级古树。但古树并不仅仅只是老树,老树是指存活时间长的树木,有可能就长在深山老林,自生自灭。)它们大多种植在辽金时期至明清两代,最早的可以追溯到汉唐。其树种主要是常绿的柏树、松树和落叶的银杏、槐树、枣树等。

 
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