At each step, some arithmetic or logical operation is performed on some data.
At each step, some arithmetic or logical operation is performed on some data.
每个步骤中，一些算术和逻辑操作作用在一些数据中。
At each step, some arithmetic or logical operation is performed on some data.
每个步骤中，一些算术和逻辑操作作用在一些数据中。