“sealing technique of vacuum electronic device”的概念、定义、翻译、参考文献-科学参考

单词	sealing technique of vacuum electronic device
释义	sealing technique of vacuum electronic device Encyclopedia 工学真空电子器件封离释 sealing technique of vacuum electronic device真空电子器件封离在真空电子器件排气过程终了，管内气体压强达10-5帕以下时，将器件与排气系统分开并保持密封的过程。
随便看	risk perception risk perception in the commission of crime risk point risk predictability training risk prediction risk preference risk premium risk prevention of collection risk priority number risk profile risk rerception risk retention risk return tradeoff risk-return trade-off risk-return tradeoff risks associated with physical activity and exercise risk-sensitive stochastic control problem risks in tourism risk society Risks of Investment Program risk spreading risk subjects in flight test risk surveillance of food safety risk theory risk transfer

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