If the same number is passed for each successive call to the Rnd function, the same random-number sequence is generated. This is because the Expression parameter is used as a starting point for the next number.
对于每一次连续的调用，如果传送相同的数到 Rnd 函数，则生成的随机数序列也相同。这是因为 Expression 参数被用作下一个数的起始点。