“ultrafilter”的概念、定义、翻译、参考文献-科学参考

单词	ultrafilter
释义	ultrafilter [¦ǝl·trǝ`fil·tǝr] ^MATHEMATICS A filter base which has no properly subordinated filter base.
随便看	ground return ground-return circuit ground rod groundscatter propagation ground sluice ground speed ground start ground state ground-state maser ground strafing ground streamer ground substance ground support equipment ground surveillance radar ground swell ground system ground tackle ground tissue ground-to-cloud discharge ground trace ground truth measurements ground-up read-only memory ground visibility groundwater groundwater decrement

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