This service run-timebinding could be instantiated using any of the following mechanisms
可以利用下列任意一种机制来演示这个服务运行时绑定
2
You can use mix-ins (more below, under Run-timebinding) to add core capabilities to existing classes.
您可以使用mix - in(后面运行时绑定会讲到)来添加核心功能到已有的类中。
3
You'd have to know what pigments he used, in other words, what ingredients he used to make different colors of paint, because the ingredients used in paints and binding agents have changed over time.