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单词
standard gold
释义
standard gold
[`stan·dǝrd `gōld]
METALLURGY
A gold alloy containing 10% copper; at one time used for legal coinage in the United States.
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acoustic wave
acoustic-wave amplifier
acoustic well logging
acoustoelectric amplifier
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acoustoelectronics
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a-c plane
acquire
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acquired immune deficiency syndrome
acquired immunity
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acquisition and tracking radar
acquisition tone
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