操作

• Each string is of manageable proportions .
  每条线的操作是自如的。
• We will alert operating personnel to repair .
  我们将要通报操作人员去维修。
• Do you know how to operate computers ?
  你知道如何操作电脑吗？
• His hand was as steady as a rock .
  他的手稳稳地操作着。
• A multistage operation improves the thermal efficiency .
  多层操作可以提高热效率。
• Our model is easy to operate and maintain .
  我们这个型号（的机器）很容易操作和保养。
• Flotation is used for florida and kola rock .
  浮选操作法用于佛罗里达磷矿和科拉磷矿。
• Our development is limited to steady-state operations .
  我们的推导限于稳定状态操作。
• This scheme also works to prevent operation mistakes .
  这个安排也适用于防止操作差错。
• This operation is called inversion and is symbolized i .
  这个操作叫倒反，用符号i表示。