文章以实物期权理论为基础,结合林权的期权特性,将实物期权的方法应用到林权流转中去,为果木林权的流转和果品的出售分别设计一个......

目的:研究二项必选数字记忆测验(二项测验)鉴别伪装智力低下的实证效度.方法:用二项测验对一年内脑外伤伤残鉴定的患者进行测查,并......

<正>The marginal recursive equations on excess-of-loss reinsurance treaty are investignted, under the assumption that th......