基本解释[地球科学]环境质量变异英汉例句双语例句Then the variation curve between environmental quality and economic development by using ecological model has been further pointed out.在此基础上提出了利用生态学模型研究环境质量与经济发展之间的变化关系。environmental quality variation更多例句专业释义地球科学环境质量变异