This study is part of efforts by the U.S. Geological Survey's National Water-Quality Assessment Program to monitor the quality of the nation's groundwater and surface water.
这项科学研究是美国地质调查局国家水质评估项目的一部分，旨在对美国地下和地表水质进行检测。
Study on ecological environmental quality as assessment index system of Xinjiang.
新疆生态环境质量评价指标体系研究。
To study further the better suitable objective medical image quality assessment, we construct the medical image database used to evaluate the performance of new objective image assessment methods.
为了更进一步的研究适用于医学图像的客观质量评价方法，我们建立了一套用于质量评价的医学图像库。
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