Most cities are anthropogenic sources of heat and pollution.
大多数城市都是人为的热和污染的源。
The heat stabilizer has convenient sources, low price, good biocompatibility, innocuity and no pollution to environment.
该热稳定剂来源方便，价格低廉，而且具有良好的生物相容性，无毒，不会对环境造成污染。
The heat stabilizer has convenient sources, low price, good biocompatibility, innocuity and no pollution to environment.
该热稳定剂来源方便，价格低廉，而且具有良好的生物相容性，无毒，不会对环境造成污染。
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