perfect binding

基本解释

A constrictor knot is perfect for binding two pieces of rope or two objects together.
阿大蟒结是结合两片绳或两个对象完美的结合起来。
dict.cn
Beautiful Illustrations: Perfect binding and hundreds of selected illustrations bringing to life the splendor of many aspects of Chinese culture.
丛书亮点：装帧精美，每个版本都配有多幅精美插图，从不同角度展现中国文化之美；
The paper holds that it is necessary to strengthen teachers'binding force on students and management on students, to extend period of elective system and to perfect evaluation mechanism of teachers.
为完善选听制教学，应适当提高教师对学生的约束力，加强对学生的管理，适当延长试听期，完善对教师的考核评估机制。