来自 regulate,管理，控制。

1. The results prove that regulation of the salmon farming industry is inadequate.

结果证明对鲑鱼饲养行业的管理不够完善。

2. Infringement of the regulation is punishable by a fine.

违反规则应处以罚款。

3. Competition between companies is too fierce for self-regulation to work.

公司间的竞争过于激烈，自我调节机制已无法发挥作用。

4. There is a regulation against adulterated cosmetics.

规定禁止出售假冒化妆品。

5. The economic market is a self-correcting mechanism, that does not need regulation by government.

经济市场是一种自动调节的机制，不需要政府调控。