1) equal ratio allocation (ERA)
等比例资源分配
2) proportional allocations
等比例分配
1.
We also give the formulas of optimum allocation of the sample sizes of the sample ratio estimator in multi-stage sampling with the proportional allocations of sample sizes in the second to (n)-th sampling under the cost function.
在调查费用给定及各阶段的样本量为等比例分配情况下 ,给出了各阶段样本量最优选择的一般结果 。
3) proportional allocation
等比例分配
1.
We give the formulas of optimum allocation of the sample sizes of the simple sample estimate in 3 or 4-stage sampling with the proportional allocationa of sample sizes since the second sampling under the cost function c=∑cini
在给定的费用函数c=∑cini和从第二阶段起抽样样本量按等比例分配情况下,讨论了三和四阶段抽样简单估计法各阶段样本量的选择问题,并给出了一般结果
2.
We give the formulas of optimum allocation of the sample sizes of the sample estimate in multi-stage sampling with unequal probabilities and the proportional allocations of sample sizes in the second to ( n )-th sampling under the cost functionn c=∑ni=1c i·m i .
在给定的费用函数下,当各阶段不等概抽样样本量分配为等比例分配时,讨论n阶段不等概抽样样本量选择的问题,并给出了一般结果。
4) resource equal distribution
资源平等分配
5) allocation
[英][,ælə'keɪʃn] [美]['ælə'keʃən]
分配比例
1.
To balance accumulation and allocation takes an important role in public hospitals continuous development.
积累与分配比例应为业务收支结余(不含人员经费和修购基金)的4∶6,潍坊市的做法为这一"黄金分割"提供了实证。
2.
Biomass of Chinese fir plantations in Fujian Province and its allocation among leaf, branch, stem and roots were studied based on the published biomass data.
除年龄对根生物量分配比例有极显著负相关外,降水量对根系生物量分配比例亦有显著的负相关。
6) proportional allocation
比例分配
1.
It is proved that,in case that improper allocation is excluded,the efficiency of optimum allocation of random multivariate stratified sampling appears to be the highest,next to it is the efficiency of its proportional allocation,while that of the simple random multivariate sampling comes as the lowest.
本文给出了精度意义下多元分层随机抽样样本量的最优分配,证明了在不包含不合理分配的情况下,最优分配下多元分层随机抽样的精度最高,比例分配下多元分层随机抽样的精度其次,多元简单随机抽样的精度最低。
补充资料:森林资源(见世界森林资源、中国森林资源)
森林资源(见世界森林资源、中国森林资源)
forest resources
sen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条