There is no essential difference.

This is all science.

Now many sciences studied by scientists have also been applied to people's lives. Which is technology.

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That China's education, mathematics and science have deteriorated?

I think it mainly means that under the background of exam-oriented education at present,

At first, the education of mathematics, physics and other sciences mainly wanted students to understand and apply these laws. Explore science.

But now students are asked to do a lot of problems. Students waste a lot of time on what they have learned. This is contrary to the primitive education of mathematics and science.