也许你应该尝试一些拼写变化:
communication implementations » communication implementation, communications implementation, communication implementing
computation implementation » computational implementation, population implementation, formulation implementation
basic dimension » basic dimensions, based dimension, based dimensions
dimension area » dimension age, dimension free, dimension real
area space » arena space, area spain, area species

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• Performing a fuzzy search may retrieve terms with similar spellings: ((communication implementations) or (computation implementation)) basic dimension area space~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication implementations) OR (computation implementation)) basic dimension area space.
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