triad

特殊用法apolar triads1.从配极的拼三小组colour triad1.(荫罩彩色显象管)三点色组exclusive triad1.不可兼三元组inversion triad1.三重反演轴isobaric triad1.同质异位三重态major triad1.大调三和弦phosphor dot triad1.三色磷光点组, 三色荧光点组phosphor strip triad1.三色荧光条组point triad1.三基色点组, 三基色荧光点组rotation triad1.三重转动轴screw triad1.三重螺旋轴syzygetic triad1.合冲的拼三小组
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