词典释义：
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The goal of control is to find out the development intensity that leads to a sufferable LOS. The controller is urban planning management and the projects planning and design is under the control.
确定使道路服务水平达到可承受极限的项目开发强度是控制目标，而城市规划管理是施控者，山地旧城改造项目规划设计则为受控者。
词根 suffer
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suffering adj. 受苦的；患病的 n. 受难；苦楚 v. 受苦；蒙受（suffer的ing形式）
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sufferer n. 患者；受害者
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sufferance n. 容许；忍耐；默许
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suffer vi. 遭受，忍受；受痛苦；经验；受损害 vt. 遭受；忍受；经历