如前所述，当依靠驱动大拖板的丝杆切削螺纹时轴向进给是自动产生的。
As previously mentioned, the axial feed is automatically generated when cutting a thread by means of the lead screw, which drives the carriage.
缓冲器放大器一种放大器，通常可以放大1到2倍，用于驱动大容量或大阻抗负载。
Buffer amplifier An amplifier, usually in a gain of 1 or 2, used to drive a heavy capacitive or resistive load.
而医药领域的就业机会是这个趋势的一大驱动力量——近年来针对医疗助理、医疗账单和编码员资格的教学课程都有所增长。
And, the medical field is a big driver of this trend - programs for certification as a medical assistant or a medical billing and coding specialist have seen growth in recent years.
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