英语词汇gravity model怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	gravity model
释义	gravity model 简明释义引力模型；重力模型网络释义 1 ?重力模型 [运]重力模型 2 ?引力模型引力模型 3 [地理]?引力模式引力模式;重力模式短语 1 jt gravity model jt引力模型 2 earth gravity model 测地球重力模型 ; 地球重力场模型 3 the gravity model 引力模型双语例句 1 The gravity model has offered the frame of a general equilibrium, experimental, easy to grasp. 引力模型提供了一个实验性的、易于掌握的、一般均衡的框架。 2 The gravity model is used for studying the mortality rate dynamics between two related but different sized population groups. 死亡率引力模型是研究两个相关但暴露数规模不同的人群的动态死亡率模型。 3 The paper puts forward an improved method on the basis of gravity model to forecast the od freight volume of railway luggage and parcel transportation. 对铁路行包od运量的预测提出一种基于重力模型的改进方法。
随便看	cold air bath cold air blast cold air blast system cold air blower cold air circulating system cold air current cold air delivery pipe cold air drainage cold-air drainage cold-air drop cold-air dryer cold air drying cold air duct cold airduct cold-air injection cold air inlet cold air inlet duct cold air intake cold air lake cold airmachine cold air machine cold-air machine cold air mass cold air mass cold air mass

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