One of many high polymeric substances, including both natural and synthetic rubber.
众多的高聚材料之一，包括天然和合成橡胶。
The finite element method is used in the study of HNDT for bonding defects of polymeric substances under vacuum-pressure difference.
本文是在激光全息无损检测（简称HNDT）高聚物研究中，利用有限元计算方法，对其叠层粘接缺陷在真空负压载荷下形变量进行计算。
Certain polymeric substances can be effectively used as efficient emulsifying and dispersing agents for the preparation of cationic dispersed rosin sizes.
对于阳离子分散松香胶的制备而言，聚合物类物质在特定的条件下可用作有效的乳化与分散剂。
Certain polymeric substances can be effectively used as efficient emulsifying and dispersing agents for the preparation of cationic dispersed rosin sizes.
对于阳离子分散松香胶的制备而言，聚合物类物质在特定的条件下可用作有效的乳化与分散剂。
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