名词
中文翻译：根线
同义词：
['mainline', "trunk line例句：1. The company's root line is in the development of renewable energy technologies.（该公司的主线是发展可再生能源技术。）2. The construction of the new road will have a significant impact on the root line of traffic flow.（新道路的建设将对交通流的主干线产生重大影响。）"]
例句：
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1. The company's root line is in the development of renewable energy technologies.
该公司的主线是发展可再生能源技术。
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2. The construction of the new road will have a significant impact on the root line of traffic flow.
新道路的建设将对交通流的主干线产生重大影响。
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3.The project aims to improve the quality of life for the people living along the root line.
该项目旨在改善沿主干线居住的人们的生活品质。