median plate

例句：

1. 1.The median plate is used to balance the weight of the ball during a game of basketball.
   中位数板用于在篮球比赛中平衡球的重量。
2. 2. The median plate is an important part of the machine that processes food.
   中位数板是处理食物的机器的一个重要部分。
3. 3. The median plate is used to measure the height of people standing in line.
   中位数板用于测量排队站立的人的高度。