quadron.方形住宅区
quadvt.用空铅填abbr.四边形(=quadrangle)abbr.四组;四胞胎之一(=quadruplet)abbr.四声道的(=quadraphonic)abbr.四头肌(=quadriceps)abbr.空铅;铅块(=quadrat)n.四方院子;四胞胎之一;嵌条;成套的四件东西
quadric surfaces subdivision曲面分割
quadrupole mass spectrometer四极质谱分析器,四极质谱计
quadrature product detection正交乘积检波
quadrupole mass spectrometry四极矩质谱法
Quadtree-Arithmetic encode四叉树-算术编码
Quad phase shift keying QPSK四相相移键控
quadrature-phase generator正交相位产生器
quadraphonic sound recording四声道录音
quadrant photodiode detector四象限光电探测器