“synthetic gem”的概念、定义、翻译、参考文献-科学参考

单词	synthetic gem
释义	synthetic gem [sin`thed·ik `jem] ^MATERIALS A precious or semiprecious stone made by artificial processes, for example, synthetic diamonds made by extreme heat and pressure on carbon, used industrially; and synthetic rubies made by high-temperature crystallization of aluminum oxide, used in laser equipment.
随便看	automatic color control automatic computer automatic connection automatic contrast control automatic control automatic control balance automatic-control block diagram automatic-control error coefficient automatic-control frequency response automatic controller automatic-control servo valve automatic-control stability automatic control system automatic-control transient analysis automatic coupling automatic custody transfer automatic cutout automatic dam automatic data processing automatic data-processing auxiliary equipment automatic data-processing equipment automatic data-processing system automatic data-processing system specifications automatic degausser automatic dialer

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