The eagle’s head facing the olive branch was not incidental. It was a statement of national preference, drawn directly from the Olive Branch Petition of 1775, Congress’s last diplomatic appeal to King George III before the war escalated beyond return.
I was gradually becoming less confident that the quartz crystal was the source of the failure, but any testing or analysis of the oscillator driver chip would require removing the crystal, potentially destroying it in the process (and, best case, destroying the connections between the crystal and substrate). So before taking that irreversible step, I wanted to do some electrical measurements of the crystal.
，这一点在WPS办公软件中也有详细论述
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Throughout history, people have had plenty of other inventive ways of waking up, from simply keeping roosters to clever candle clocks that dropped needles into metal trays every hour.