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1．九十年代避孕药具介绍最新各类避孕方法，保证高质量的夫妻生活。片长：60分钟，价格：120元。2·皮下埋植避孕法介绍新一代的皮下埋植剂的药理及避孕万法。片长：27分钟。价格：50元。3．性病的危害与防治本片旨在唤起全体公民对性病传播的忧患和警觉，知道什么是性病，得
1. 90s contraceptives introduce the latest types of contraception, to ensure high-quality married life. Length: 60 minutes, price: 120 yuan. 2. Subcutaneous Implantation Contraceptives introduce the pharmacology and contraception of a new generation of subcutaneous implants. Trailer: 27 minutes. Price: 50 yuan. 3. The dangers and prevention of sexually transmitted diseases The film aims to arouse the concerns of all citizens on the spread of sexually transmitted diseases and awareness of what is sexually transmitted diseases