资料来源 : pyDict

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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Micro- \Mi"cro-\, Micr- \Mi"cr-\ . [Gr. mikro`s small.]
   A combining form signifying:
   (a) Small, little, trivial, slight; as, microcosm,
       microscope.
   (b) (Metric System, Elec., Mech., etc.) A millionth part of;
       as, microfarad, microohm, micrometer.