These technologies, however, have been expensive to implement on a mass basis.
然而，大规模应用这些技术的成本非常高昂。
Mass art activities have long history and profound mass basis in Jiaozuo city.
群众文化活动在焦作有着悠久的历史和深厚的群众基础。
Mass art activities have long history and profound mass basis in Jiaozuo city.
群众文化活动在焦作有着悠久的历史和深厚的群众基础。
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