urban problem of management 城市管理问题
urban population problem 都市人口问题
urban transportation problem 城市交通问题
urban housing problem 城市住房问题
urban transport problem [交] 城市交通问题
urban n problem 城市问题
urban water problem 城市水问题
urban social problem 城市社会问题
urban traffic problem 城市交通问题
All these require that we should change the development pattern in the past urgently, probe the new method and thought of development. Now, it's time to research urban problem in the ecology angle.
这些愿景和时代发展的要求都迫切需要我们转变以往的发展模式,探索新的方法和思路,从生态学的视角研究城市问题也就应运而生。
参考来源 - 基于干扰理论的城市废弃地再利用策略研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Public order is primarily an urban problem.
公共秩序主要是一种城市问题。
Traffic is a major urban problem.
交通是城市的一个主要问题。
"The problem of our planet is an urban problem," Johnson said, calling for "serious results" in Seoul.
“我们地球上的问题是一个城市问题”约翰生说，被叫做“严重的问题”在首尔。
Cohen says part of the problem is an urban bias among policy elites in both the donor and affected countries.
VOA: standard.2010.07.16
According to Ben Urbonas, president of the Urban Watersheds Research Institute, these nutrient contaminants tend to be more of a problem in closed water systems,like lakes, where concentrations can build up.
VOA: standard.2010.08.04
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