It bears a negative charge and the value of minus 1.6 times 10 to the 19 coulombs.
电子是带负电荷的,并且,负电的值为1。6乘以10到19,库伦。
And then I'll create this function, d1 this distribution d 1, which will, whenever I call it, give me a random, a uniformly selected value between minus and plus volatility.
然后我会创建这个函数,这个概率分布,每次我调用这个函数的时候,他会给我返回一个随机的,按照均匀分布,从正负浮动值之间选择的值。
Let me write it as g minus the absolute value of a.
我就写成 g 减去 a 的绝对值
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