I'll first look at invoking a method with delayed binding, and then I'll show techniques you can use to change the definition of a class at run time.
首先介绍延迟绑定调用方法，然后介绍一些可以在运行时改变类定义的可用技术。
We provide customers first-class product quality and service by best facilities , management and techniques.
一流的设备、一流的管理、一流的工艺、一流的质量、一流的服务。
The soil is rich and fertile, our commitment to supply quality fruit, modern production techniques and first class wine will always be the forefront in our business.
为广大消费者提供最具品质的高档葡萄酒是翠娜缇•蔻夫一贯的唯一宗旨。
With its first class equipment, advanced techniques morden means of scientific management and accurate quality measurement device, the company have developed a complete system of Q. c.
公司拥有一支高素质的专业管理团队，技术力量雄厚，生产设备一流，同时拥有先进完善的检测仪器和实验设备。
The first-class enterprise sells brand, second-class enterprise sells techniques, third-class enterprise sells products, enterprise sells fourth-rate coolie.
一流企业卖品牌，二流企业卖技术，三流的企业卖产品，四流企业卖苦力。
The first-class enterprise sells brand, second-class enterprise sells techniques, third-class enterprise sells products, enterprise sells fourth-rate coolie.
一流企业卖品牌，二流企业卖技术，三流的企业卖产品，四流企业卖苦力。
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