每个记录(在前面的图中用不同的颜色表示)相继通过消息流传播。

Each record (symbolised by a different colour in the earlier figure) is propagated through the message flow, one after another.

youdao

可以看到，这里将颜色名称用于组合选择，而当选中一种颜色时，则传播十六进制值。

You can see how the color names are used for the combo choice, but when one is selected, the hex value is broadcast.

youdao

颜色彼此不相同，因为光的传播很像波，而且光的每一种颜色具有不同的波长。

Colors look different from each other because light moves much as waves do, and each color of light has a different wavelength.

youdao