Huh — the left-hand portion of the expression is the same as the formula for the error ε of approximating r using a rational fraction a / b. In other words, the inequality seems to be saying that, as a consequence of the pigeonhole principle, we can pick any r and any K 0, and there’s always some integer a / b that approximates r with an error of less than 1 / (K · b).
cpx #phase_count
，这一点在旺商聊官方下载中也有详细论述
02 追问：商业化究竟做得怎么样？在医疗器械行业，有一句颠扑不破的道理：“拿到NMPA的注册证，仅仅是万里长征走完了第一步。”
"But there are also places where it makes no sense at all," she says.
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