...来的需要；(3)“表达出来的需要”(expressed needs)，即一个人或群体通过行动表达的需求；(4)“比较的需要”(comparative needs)，即一个社区与另一个社区，或两群背景相似的人相比较，寻找相似之处和不同点时产生的需要。
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comparative principle of satisfying needs 满足需要比较原理 ; 满足需要可比原理
In general, the concept of comparative risk assessment needs some major revision.
总的来讲，比较性风险评估的概念需要某些重大修改。
Listening ability for Chinese middle school students is comparative weak and yet needs improvement.
我国中学生英语听力水平较差，需要从根本上加以提高。
Various localities will be guided to develop regional and comparative advantages and readjust their product mix and quality structure of crops in line with market needs.
引导各地发挥区域比较优势，按照市场需求，调整种植业品种结构和品质结构。
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