其中，e是电子所带的基本电荷，ε0是真空介电常数，h是约化普朗克常数，c是光速。
Трамп допустил ужесточение торговых соглашений с другими странами20:46
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For example, Progressive paid over $6 billion to independent agents last year, while Travelers and Hartford paid roughly $3.35 billion and $1.25 billion, respectively, in segments dominated by personal lines and small commercial business. BofA notes that these types of policies, such as standard home and auto insurance, represent low-sophistication transactions where human agents add little value, making direct-to-consumer digital channels a considerable cost-saver for the buyer.
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