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２０００年３月信息产业部科学技术司组织制定并颁布了家庭影院用环绕声放大器和家庭影院用组合扬声器系统的行业标准（标准号为：ＳＪ／Ｔ１１２１７—２０００、ＳＪ／Ｔ１１２１８—２０００。并发出了对这两个产品开展标准符合性认定活动的通知。经过９个月标准的宣传、贯?
March 2000 Ministry of Information Industry, Science and Technology Division organized the formulation and promulgation of the home theater surround sound amplifier and home theater with a combination of the speaker system standard (SJ / T11217-2000, SJ / T11218-2000. And issued Informed of these two products to carry out standards compliance activities of the notice.After nine months of standard publicity,