在这样的场合，升算符(raising operator)诠释为创生算符，将一能量量子加到振子系统，对于降算符(lowering operator)也是相同的类比。它们可以用来代表声子。
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In the process of pretreatment, noise lowering and edge sharpening of images is realized with average filtering waves operator to. enhance the image quality.
图像预处理采用平均滤波算子图像去噪、边界锐化以提高图像质量。
Winch operator must ensure that the last joint laid down is no longer on the catwalk and that the catwalk is clear of personnel before slowly lowering the pipe out of the V-door.
气动绞车操作者在慢放钻杆出大门坡道前，要确认猫道上没有钻具和人员。
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