This method not only considers the fuzziness of water quality classification limit but also enhances the precision and the utilization ratio of information.
该方法不仅注意到水质分级界限的模糊性，而且信息利用率和精度均有较大幅度的提高。
Higher vocational institutions should make full use of resources available in libraries, develop various information service and hence improve the utilization ratio of literature in libraries.
高职院校图书馆应充分利用现有馆藏资源，积极开展多种形式的信息服务，努力提高图书馆的文献利用率。
Surverys indicate that finding out readers' demands, purchasing the preferent books, sharing information with readers without delay and so on can raise the utilization ratio of Chinese books.
经常了解读者需求，选购适宜图书，及时打印新书通报，编写新书推荐书目等措施，提高了中文图书有效利用率。
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