under controlled conditions的用法和样例：
例句
- The breeding, hatching, and rearing of fish under controlled conditions.
养鱼业在控制的条件下培植、孵化和饲养鱼类 - The science, art, and business of cultivating marine or freshwater food fish or shellfish, such as oysters, clams, salmon, and trout, under controlled conditions.
水产养殖在控制条件下，科学、艺术及商业性培植海水或淡水食用鱼或介壳类，如牡蛎、蛤、鲑及鳟鱼
