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标志灯
释义
标志灯
Encyclopedia
工学
大地测量仪器
释
signal lamp
标志灯
在能见度差的条件下用于照准的发光器具。又称回光灯。
随便看
upper semisphere
upper series
upper set
upper side frequency
Upper Silesia Coalfield
upper singular exponent
upper solution
upper solution; supersolution
upper-stage
upper stage liquid rocket engine
upper strong derivative
upper subsemilattice
upper sum
upper surface
upper tangent arc
upper topological limit
upper transit
upper triangular group
upper triangular matrix
upper-trimmed subsequence
upper type
upper unitriangular matrix
upper urinary tract infection
upper urinary tract lithiasis
upper value
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