the material carrier 物质载体
waste material carrier 废弃物载体
teaching material carrier 教材载体
material carrier of symbols 符号物质载体
carrier material 运载物质 ; 载体材料 ; 载流体材料
carrier generation material 载流子产生材料
Carrier membrane material 载体薄膜材料
Character itself is a part of culture, and it's also the material carrier of culture.
文字本身既是文化的一部分，又是文化的物质载体。
The agricultural machinery equipment is the material carrier and basic condition to realize the agricultural mechanization, and is the most active element in the agricultural productivity.
农业机械装备是实现农业机械化的物质载体和基本条件，又是农业生产力中最具有活力的要素。
The flow of document information mainly includes three aspects: signal coding, information content and material carrier.
文献信息流的结构主要包括三个基本方面：信号编码、信息内容和物质载体。
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