adj.调整的，调节的

regulative development → 调节发育；规律性发育
regulative principle → 规约原则
regulative egg → 第卵；蝶卵；调整卵
Regulative rules → 调节性规则；范导性规则
regulative use of reason → 理性的调节作用
silicon voltage-regulative transistor → 硅调压晶体管
regulative idea → 性理念；性观念
regulative paralysis → 调节麻痹
regulative rule → 性规则

【Adjective】

1. restricting according to rules or principles;
"a regulatory gene"