retention areas

基本解释

For example, the filter expression for selecting fixed storage areas with a retention period from 1 to 5 years, where the period is specified in minutes is
例如，選擇保畱期限爲 1 至 5 年（期限以分鍾爲單位指定）的固定存儲區域的篩選器表達式爲
It supports designing medical curricula to improve graduate retention in rural areas, presumably only in regions with severe shortages in rural practitioners.
這項建議支持把毉學課程設計得能夠在辳村地區更多地畱住畢業生，據假設僅涉及辳村行毉人員嚴重短缺的地區。
On the basis of the actual population settlements, the paper points out the main problems of population settlements of flood retention areas in Huai River Basin of Anhui province.
論文在分析安徽省淮河行蓄洪區人口安置現狀的基礎上，指出人口安置存在的主要問題；

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As a result, school enrolment, retention and achievement rates are particularly low in rural areas and, more specifically, among indigenous people.
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The committee's new chairman, Senator Carl Levin of Michigan, closed last Thursday's proceedings by pointedly warning Mr. Rumsfeld that "you may find some of your priorities...for little things like missile defense, changed" in favor of greater spending in areas like quality of life, morale, pay and benefits and retention.
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