求翻译：我国的冷链起步于50年代的肉食品外贸出口。1982年，我国颁布了“食品卫生法”，诞生30多年来，中国的视频冷链不断发展，以一些食品加工行业的龙头企业为先导，已经不同程度地建立了以自身食品为核心的食品冷链体系，如速冻食品企业，肉食品、水产品和果蔬类加工企业，冰淇林和奶制品企业，大型快餐连锁企业等。但从整体冷链体系而言，中国的食品冷链还未形成体系，与发达国家相比，差距还很明显。是什么意思？

China's cold chain started in the 50's meat exports. In 1982, China promulgated the "Food Sanitation Law", was born 30 years continuous development of China's cold chain video to some of the leading enterprises in the food processing industry as a pilot, has been established to varying degrees, the

My cold-chain starting from the 1950s the meat export trade. In 1982, China promulgated the "food sanitation law", was born 30 years ago, China's video cold-chain have continued to develop, and to a number of food-processing industry in the lead, leading enterprises have been established in differen

Our country's cold chain start in 50's meat produce foreign trade exportation.In 1982, our country had promulgated “food health law”, has

Cold chain in China started in the 50 's meat exports. 1982, in China promulgated has "food health method", was born more than 30 years to, China of video cold chain constantly development, to some food processing industry of leading enterprise for pilot, has different degree to established has to i