(IMAGE) Higher Education Press Caption 2017年(a)国家层面、(b)产品层面、(c)城市群层面、(d)省层面电子废弃物产生量和处置能力比较。 Credit Wanjun WANG1 , Yupeng LIU2 , Kuishuang FENG3 , Wei-Qiang CHEN2 Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.