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二倍照准部互差
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二倍照准部互差
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大地测量仪器
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discrepancy between twice collimation error
二倍照准部互差
用经纬仪或全站仪进行水平角测量时,同一目标的盘左读数与盘右读数的差值与180°之差称二倍照准部差。又称二倍照准差。
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aircraft tail wheel
aircraft take-off and landing performance
aircraft take off distance
aircraft take-off weight
aircraft target signature measurement
aircraft temperature variation test
aircraft testability test
aircraft thermal structure and thermal protection test
aircraft three-view drawing
aircraft thrust vectoring tests in wind tunnel
aircraft tie-down load test in wind tunnel
aircraft touch-down speed
aircraft turret
aircraft variant actuation system
aircraft ventral fin
aircraft vibration environment test
aircraft vibration flight test
aircraft vibration test
aircraft waterproofness test
aircraft weapon system lab release&fire test
aircraft wing structure
aircreft fastener joint allowable test
aircrew
aircrew coordination training
aircrew escape system
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