尽管供电电网中不大可能在正常工作频率下谐振，但有可能在其它谐振频率下谐振。
Although it is unlikely that resonance in a supply network be obtained at normal supply frequency, it is possible to have this condition at harmonic frequencies.
遗憾的是，由于开发周期的问题，有一些使用频率较低的功能特性，例如调试（degugging）以及项目支持（project support）遇到了一些问题，无法正常工作。
Unfortunately, due to length of the development, some infrequently used features like debugging and project support has suffered bit-rot and does not work anymore.
问题可能出在器件的互连或工作在正常的时钟频率时集成电路就不能正常的运行了。
The problem might be an interaction between components or an IC that fails when run at normal operating clock rates.
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