JPALS works with GPS to provide accurate, reliable, landing guidance for fixed and rotary wing aircraft and supports fixed-base, tactical, and shipboard applications.
JPALS依靠GPS味固定翼和旋翼飞机提供精确、可靠的着陆导航，并支持普通航空机场、战术和船舰上的应用。
This prologue to Rotary gave me a sound base in what The Rotary Foundation accomplishes.
这样扶轮的序幕使我对扶轮基金会的成就有了基本的了解。
Position permanent guide base (PGB) below rotary table.
在转盘下安放永久导向基板。
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