Since we have my red laser pointer, we will also try with the red laser pointer, which is centered at wavelength of 700 nanometers.

因为我们有我的红色激光笔，我们也会尝试红色激光笔，它的中心波长是 700纳米。

youdao

And then since we have my red laser pointer, we will also try with the red laser pointer, which is centered at wavelength of 700 nanometers.

然后因为我们有我的红色激光笔，我们也可以用它试一下，它的波长集中在700纳米处。

youdao

And then since we have my red laser pointer, we will also try with the red laser pointer, which is centered at wavelength of 700 nanometers.

然后因为我们有我的红色激光笔，我们也可以用它试一下，它的波长集中在700纳米处。

youdao