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单词
buttonhead
释义
buttonhead
[`bǝt·ǝn´hed]
DESIGN ENGINEERING
A screw, bolt, or rivet with a hemispherical head.
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positive ore
positive part
positive pedal curve
positive phase sequence
positive-phase-sequence relay
positive pole
positive ray
positive real function
positive semidefinite
positive series
positive shoreline
positive skewness
positive temperature coefficient
positive terminal
positive transfer
positive transmission
positive with respect to a signed measure
positive zero
positron
positron camera
positron depth profiling
positron emission
positron emission spectroscopy
positron emission tomography
positronium
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更新时间:2024/12/26 0:40:37