林分平均胸径生长模型,growth model of stand average breast diameter
1)growth model of stand average breast diameter林分平均胸径生长模型
2)stand average breast diameter林分平均胸径
1.The theoretical analysis on the method of 100 times circles of foreststand average breast diameter deduces that the section area per hector of stand equals to the half of timber number in square sample plot plus to that on the boundary when length of square sample plot(or standard plot) equals to 88.通过对林分平均胸径100倍圆法理论含义的分析,推导出方形样地(或标准地)的边长等于林分平均胸径的88。
英文短句/例句
1.A STUDY ON SIMULATING PREDICTIVE MODEL OF MEAN DBH FOR BAMBOO STANDS毛竹林林分平均胸径模拟预测模型的研究
2.Application of Back-Propagation Network to the Prediction of Stand Average Breast Diameter in Growth ProgressBP神经网络在林分平均胸径生长预估中的应用
3.Discussion on the impact of zoning sites and the average diameter on stand volume谈区划布点和平均胸径对林分蓄积的影响
4.(3) Families mean broad sense heritability for tree height was 86.67 per cent, for DBH 80.01 per cent.③本试验估算的广义家系平均遗传力树高为86.67％,胸径80.01％;
5.The mean light intensity under the dark coniferous spruce forest is one-fifth of that under the bright small leaf poplar within a day.阴暗针叶林下日平均光强为明亮阔叶林下日平均光强的五分之一;
6.Wavelet Analysis of the Annual Average Runoff of Minxian Station in Gansu Province甘肃省岷县站年平均径流量小波分析
putation of the mean particle size and the particle size distribution based on extinction theory基于消光法求解颗粒系的平均粒径及粒径分布
8.The different averages depend upon which trees in the stand are selected.不同的平均值取决于在林分中抽选的林木。
9.Avg table size relative to the avg diameter, reported to the nearest whole percentage point (1%).平均数表大小相对的平均数,直径就近报告整个百分点(1%).
10.single plane mean outside diameter deviation单一平面平均外径偏差
11.single plane mean bore deviation单一平面平均内径偏差
12.single plane mean roller diameter滚子单一平面平均直径
13.The forest coverage is 16.55%, with 10.45% lower than the average level in the world.森林覆盖率为16.55％，比世界平均水平低10.45个百分点；
14.Multi-time-dcale Analysis Of Annual Average Runoff In Dongfeng Station Of Wuyun River乌云河东风站年平均径流量的多时间尺度分析
15.The precision of the equation is over97%, and the net yield and the yield structure were also studied.同时还研究了林分平均净生产量和产量结构。
16.The hiccups of Mrs. Lin diminished considerably; she hiccuped on the average of only once every five minutes.林大娘的打嗝，大大减少，平均是五分钟来一次；
17.Research on the Model of Ground and Breast Diameters of Slash Pine(Pinus elliotti.) Plantation湿地松人工林地径与胸径树高模型的研究
18.Variable Relationship between Tree Age and Diameter at Breast Height for Natural Forests in Changbai Mountains长白山地区天然林林木年龄与胸径的变动关系
相关短句/例句
stand average breast diameter林分平均胸径
1.The theoretical analysis on the method of 100 times circles of foreststand average breast diameter deduces that the section area per hector of stand equals to the half of timber number in square sample plot plus to that on the boundary when length of square sample plot(or standard plot) equals to 88.通过对林分平均胸径100倍圆法理论含义的分析,推导出方形样地(或标准地)的边长等于林分平均胸径的88。
3)the method of 100 times circles of forest stand average breast diameter林分平均胸径100倍圆法
1.The theoretical analysis onthe method of 100 times circles of forest stand average breast diameter deduces that the section area per hector of stand equals to the half of timber number in square sample plot plus to that on the boundary when length of square sample plot(or standard plot) equals to 88.通过对林分平均胸径100倍圆法理论含义的分析,推导出方形样地(或标准地)的边长等于林分平均胸径的88。
4)individual DBH growth model单木胸径生长模型
5)stand growth model林分生长模型
1.Taking the stand in forestry as the study object,secondary forest investigation data and relative graphics as the basic data,thestand growth model was selected,professional vector was manipulated by the application of ScanIn 5.将林分作为研究对象,以森林二类调查数据和相关图形为基础数据资料,选择林分生长模型,运用ScanIn地图矢量化软件系统进行专业的矢量化,借助于GIS相关软件建立属性数据库与图形数据库并运用ID连接,用二次开发语言VB编程开发功能,形成林分经营管理空间数据库,力求实现计算机分析、预测功能的更准确、更切实、更科学。
2.The variables instand growth model were selected through analyzing the significant influences among the variables.在林分生长模型建立中,通过分析变量间的显著影响选择变量。
6)whole-stand growth model全林分生长模型
1.Under MATLAB environment, the paper, using BP neural network modeling technology, carried on systematic research to thewhole-stand growth model and the individual tree growth model of Betula platyphlla plantation.以白桦人工林为研究对象,以东北林业大学帽儿山实验林场的白桦人工林标准地资料数据作为训练样本和检验样本,在MATLAB系统环境下,应用BP人工神经网络建模技术,对全林分生长模型和单木生长模型进行了系统的研究。
延伸阅读
本金分阶段平均偿还方式本金分阶段平均偿还方式【本金分阶段平均偿还方式l本金平均偿还的一种方式，将偿还期(T)分为两个部分(T=T，+飞)。其中最初的期间(Tl)假定为比实际偿还期要延期偿还(Extension)，计算出每月偿还额的办法。这是用于高额信贷的偿还方式的一种。如果采用本金平均偿还方式时，初期偿还阶段的负担过大，因而采取了这种减轻初期偿还负担的方法。也叫做阶段偿还方式。它的计算方式分为:(l)求延缓期(叭)的每月偿还额(Iha，)公式。而，=人{l+r(ne一m+z}(2)求延缓期终了后(飞)的每月偿还额(巧、)公式。R巧A(l一鱼ne=—Xne{112一m+l)}式中A:最初本金r:实际月息n:实际总偿还次(月)数ne:延缓期间(T，)中计算上的总偿还次数(但ne>n)n，:延缓期间中的实际偿还次(月)数珑:延长期结束后的实际偿还次数m:1……nlm‘:1……几实际偿还期间T:叭+飞实际偿还次数n:nl，ne
