必要性与制约因素
Necessities and constraint factors
次级制约
second-order conditioning
次阶条件作用次阶制约作用
secondorder conditioning
电脑预约制度
computerized appointment system
动态控制约束域
control domain of dynamic control
二阶条件作用二层制约作用
second order conditioning
反密度制约
inversely density dependent
非线性密度制约
Nonlinear density restrict
nonlinear density dependent
非线性种内制约关系
Nonlinear intraspecific regulation