“trapezium”的概念、定义、翻译、参考文献-科学参考

单词	trapezium
释义	trapezium 不等边四边形不等四边形不规则四边形斜方形大多角骨梯形
随便看	frequency counter frequency crossing frequency curve frequency cutoff frequency deceleration frequency demodulation frequency demultiplication frequency demultiplier frequency density frequency detector frequency deviation frequency device frequency diagram frequency difference frequency-difference detector frequency difference resonance frequency discontinuity frequency discriminating circuit frequency discriminating optical chopper frequency-discrimination frequency discrimination frequency discrimination telegraph frequency dispersion frequency distortion frequency distribution

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