... a scarce resource 稀缺性资源 productivity of the scarce resource 紧缺资源产出效率 teaching resource is scarce 教学资源缺乏 ...
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像淡水资源的匮乏，基本健康的缺乏，缺乏良好的教学机构和基础设施。
Like the unavailability of pure drinking water, absence of basic health facility, absence of good educational institutes and lack of infrastructure!
但目前的远程教学资源可共享性差，教学系统缺乏智能性。
But current distance education resources can't be totally Shared and the teaching system is short of intellectualization.
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