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electrically small antenna
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electrically small antenna
Encyclopedia
工学
【长、中、短波天线】
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electrically small antenna
电小天线
最大尺寸小于工作波长1/2π或1/10的天线。又称小天线。
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sheaf of parallel lines
sheaf of planes
sheaf of regular functions
sheaf of relations
sheaf of rings
sheaf of semigroups
sheaf of sets
sheaf of spheres
sheaf of total quotient ring
sheaf space
sheaf theory
shear
shear Alfven wave
shear Alfvén wave
shear angle
shear band
shear center
shear deformation
shear deformation characteristics of rock mass
shear difference method
shear dilation effect
shear dilution of drilling fluid
shear distortion
shear-dominated encounter
shearer-loader
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