ZD

名词 n.
中文释义

英文释义

名词 n.
  1. Initialism of zenith distance. abbreviation,alt-of,countable,initialism,uncountable
    — --California Institute of Technology
  2. Initialism of zero defects. abbreviation,alt-of,countable,initialism,uncountable

词形变化

ZDs plural
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