Give a sense of science and technology color curve PPT background picture

This is a color map with a sense of science and technology PPT background picture, homePPT template network to provide slide background picture free download;

On the bottom of the gray gradient, a colored curve is like a ripple, rippling at the bottom of the slide. Very fine exquisite.

This is a color map with a sense of science and technology PPT background picture, homePPT template network to provide slide background picture free download;

On the bottom of the gray gradient, a colored curve is like a ripple, rippling at the bottom of the slide. Very fine exquisite.