“opoka”的概念、定义、翻译、参考文献-科学参考

单词	opoka
释义	opoka [ō`päk·ǝ] ^PETROLOGY A porous, flinty, and calcareous sedimentary rock, with conchoidal or irregular fracture, consisting of fine-grained opaline silica (up to 90%), and hardened by the presence of silica of organic origin.
随便看	process control system process dynamics process engineering process furnace process heater process heat reactor processing processing interrupt processing program processing section process lapse rate process layout process lens process-limited process metallurgy process monitoring processor processor complex processor error interrupt processor-limited processor-memory-switch notation processor stack pointer processor status word process piping process planning

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