对称: symmetry; symmetrical 短语和例子放射对称 radial symmetry; 镜面对称 mirror symmetry; 左右对称 bilateral symmetry; 大楼的两翼完全对称。 the two wings of the building are exactly symmetrical.; 对称比 cylindricizing; 对称变换
原则: principle 短语和例子原则分歧 differences in principle; 原则上同意 agree in principle; 原则问题 a matter of principle; 原则性(的)错误 mistake in matters of principle; 基本原则 basic principle; axiom; 原则立场 principled s
