它也是一种有计划、有目的、有组织的活动。
It is also a kind of activity with plans, aims and organization.
〇有计划、有组织地开展城市交通工程和交通管理科学研究。
Carry out organized research on urban traffic engineering and traffic management.
〇有计划、有组织地开展城市交通工程和交通管理科学研究。
Carry out organized research on urban traffic engineering and traffic management.
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