running mean

例句：

1. 1. The team's performance is a running average of their previous wins and losses.
   该队的战绩是其以往胜败的平均值。
2. 2.The stock market is notorious for its unpredictable running averages.
   股市以其不可预测的运行平均值而闻名。
3. 3.The company's revenue has been steadily increasing, but the running average remains stagnant.
   该公司的收入稳步增长，但运行平均值仍然停滞不前。