“direct viewfinder”的概念、定义、翻译、参考文献-科学参考

单词	direct viewfinder
释义	direct viewfinder [dǝ¦rekt `vyü´fīnd·ǝr] ^OPTICS A viewfinder in which the user views the subject directly through a lens or sight.
随便看	channel control command channel design channel designator channel director channel effect channel-end condition channeler channel fill channel frequency channel gradient ratio channeling channeling machine channeling radiation channel iron channelizing channel-lag deposit channel light channel marker channel mask channel miles channel morphology channel-mouth bar channel net channel order channel pattern

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