limit order短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 限价订单 The author considers stock price as a Geometric Brownian motion and builds up the distribution of limit order execution time based on the distribution of first-hitting time of Brownian motion. 在将股票价格描述为几何布朗运动的基础上，本文从布朗运动首达时的分布推导出限价委托执行等待时间的分布。 dictall