World Rabies Day is the initiative of a charity named Alliance for Rabies Control (ARC) and the Centers for Disease Control and Prevention (CDC) in the United States.
世界狂犬病日是慈善机构狂犬病控制联盟和美国亚特兰大疾病控制与预防中心发起的一项行动。
2
It is important to set the magnetic field reasonably and to control the movement of arc on large rectangular target.
大面积矩形电弧蒸发源合理的设置靶源磁场并有效的控制电弧弧斑的运动是十分重要的。
3
Fuzzy control tests of arc voltage and short-circuit frequency are conducted to improve welding quality.