And that's what you see here: These little salt spots are just DNA tacked onto glass, and so I can put thousands of these on our glass chip and use them as a detection reagent.
你们看，就是这个： 这些小的盐点是DNA留在玻璃上的印记， 同样我可以在玻璃芯片上放上千个盐点 然后把它们作为检测试剂。