What is Dobsonian Mount & Equatorial Mount?
The failure of the TCXO was the result of the long bond wire between the controller die and the substrate trace connecting to one side of the quartz crystal separating from the package at the crescent bond interface. Sonication of the part and poor process control of the wire bonding process were likely both contributing factors.，这一点在新收录的资料中也有详细论述
person.address.city = new_city;，详情可参考新收录的资料
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