Although I have read it for a long time, I still hope to help you or others. Ha, if there is any, please adopt it. You and I are both good people. Laboratory slogan (SY5 category): 12 sheets/set SY5-0 1, weight and weight and length SY5-02, science is the commander-in-chief, practice is the soldier SY5-03, good scholars try their best, good doers are hard to find SY5-04, and all reasoning must be drawn from (American) observations and experiments. Seeing is better than hearing (color), seeing is better than experiment SY5-06, arguing empty words (standard) is better than trying to be effective SY5-07, hearsay is better than seeing with one's own eyes (language) than observing shape SY5-08, hearing is better than seeing with one's own eyes (business) than practicing SY5-09, and talking on paper is better than talking on paper (city).

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