缆: Ⅰ名1.(拴船用的铁索或多股粗绳) cable; hawser; mooring rope 短语和例子解缆 cast off; set sail; 新船砍缆下水。 the new ship cut her cable and slipped into the water.2.(拧成多股的似缆物) thick rope; cable 短语和例子钢缆 steel cable;
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