“chalcedonyx”的概念、定义、翻译、参考文献-科学参考

单词	chalcedonyx
释义	chalcedonyx [´kal·sǝ`dän·iks] ^MINERALOGY A mineral consisting of onyx with alternating gray and white bands; valued as a semiprecious stone.
随便看	reader-punch equipment read error read head read-in readiness review readiness time reading reading frame reading microscopes reading mistake reading point reading rate reading station read-in program read-only memory read-only storage read-only terminal readout readout station read-punch unit read screen readthrough read time read-while-writing read/write channel

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