我叫椭圆规 ,又名多功能规 ,别名三脚规 .从我的别名看 ,我比普通圆规多了一条腿 .我的作用是你可以象用圆规画圆那样简单地用我直接画椭圆 ,同时我还兼有圆规、分规等多种功能 ,因而我被中华人民共和国授予《中国专利》 ,专利号为 90 2 0 0 6 6 7·3.你可以在中国专利局的网站 I call the ellipse gauge, also known as the multifunction gauge, aliased to the three-legged gauge. From my alias, I have one more leg than the ordinary compass. My role is that you can simply use me to draw ellipses directly like a circle with compasses. At the same time, I also have many functions such as compasses, sub-regulations, etc. Therefore, I was awarded the “Chinese Patent” by the People’s Republic of China and the patent number is 90 2 0 6 6 7 3. You can visit the website of the Chinese Patent Office.