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晚明旅游资源类型结构与地域分布——以《三才图会·地理》与《名山胜记》为数据来源

, 2011
龚胜生 周军 任唤麟   +1 more
semanticscholar   +1 more source

集体林分权条件下不同经营类型商品林生产要素投入及其效率——基于三阶段DEA模型及其福建、江西农户调研数据

, 2015
李桦, 姚顺波, 刘璨, 郭亚军
semanticscholar   +1 more source

广西PM 2.5 时空分布特征及污染天气类型

, 2018
潘润西   +6 more
semanticscholar   +1 more source

黄土丘陵区刺槐、辽东栎林地土壤碳、氮、磷生态化学计量特征

, 2017
Lu Jinlin   +5 more
semanticscholar   +1 more source

中国四种森林类型主要优势植物的C:N:P化学计量学特征

, 2011
王晶苑   +5 more
semanticscholar   +1 more source

利用卫星影像编制吉林省植被类型图(1:50万)

, 1991
祝廷成 白玉光, Zhu Yuguang
semanticscholar   +1 more source

“山水林田湖草生命共同体”要素关联性分析——以长白山地区为例

, 2019
于恩逸   +9 more
semanticscholar   +1 more source

塔里木沙漠公路防护林生态工程立地类型划分

open access: closed, 2008
薇 苏   +8 more
openalex   +1 more source
computer science
process computing
product mathematics
work physics
set abstract data type
term time
identification biology
context archaeology
selection genetic algorithm
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