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1·Conclusion Very satisfactory staining results within relatively short time may be obtained with microwave treatment in nitric acid solation at low temperature for decalcification.

结论低温微波硝酸脱钙能够在较短时间内获得满意的染色效果。

2·This paper discusses the stiffness and damping of isolators for double-vibration solation system and gives the design formulas of stiffness of isolators when damping is considered.

本文讨论了电子设备采用双层隔振时减振器弹簧刚度及阻尼的设计方法，推导了当考虑阻尼时减振器的设计公式。