摘要:
Reference models results were obtained with data fromTable 1. This test was carried out by varying the cuttingspeed (v) from 200 m·min-1 to 600 m·min- 阅读全文
摘要:
function Person () { 构造函数里的this 为新建的对象 per} var per = new Person(); //对象 console.log(per); // object 构造函数 必须有new 若 var per = Person(); console.log(per 阅读全文