光的波长决定了它的颜色。

The wavelength of light determines its color.

无线电波的波长可以很长。

The wavelength of radio waves can be very long.

科学家们测量了这个信号的波长。

Scientists measured the wavelength of the signal.

可见光的波长决定了它的颜色。

The wavelength of visible light determines its color.

光的性质包括其速度和波长。

The properties of light include its speed and wavelength.