目前在操作军用机器人的时候还需要许多士兵来控制，并对操作人员加以保护。
It currently takes many soldiers to control a robot and protect the machine's operator.
第二类是指，对其安全性、有效性应当加以控制的医疗器械。
The second category means those medical instruments whose safety and effectiveness shall be controlled.
第二类是指，对其安全性、有效性应当加以控制的医疗器械。
The second is to point to, to its security, effectiveness should be controlled medical instrument.
因此在原料进入转化炉之前需对总硫加以控制。
Therefore, the total sulfur shall be controlled before the feed enters the reformer.
因此在原料进入转化炉之前需对总硫加以控制。
Therefore, the total sulfur shall be controlled before the feed enters the reformer.
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