characteristic industries的用法和样例：
例句
- Xiu Jade Industry was the characteristics industry and a mainstay of the Manchu autonomous county economy.
岫玉产业是我国辽宁省岫岩满族自治县的特色产业和县域经济的支柱产业。 - Developing specialty industries with relatively little impact on the ecological environment has always been an important policy in accelerating the economic development of Tibet.
发展对生态环境影响相对较小的特色产业，一直是西藏加快经济发展中的一项重要政策。
