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It is said that the test power is an extension of the standing camellia. The main purpose of the standing camellia exercise is to seek the relationship between tension and relaxation in the slight movement and to enrich the law of the six-sided force, but its principle is difficult to understand because the movement is very small. In that respect, this test force is relatively easy to understand because the movement is larger than that of the standing camellia. As the saying goes, "Without standing camellia, there is no trial, without trying, there is no standing camellia", you will be able to know the principle of standing camellia through trial.
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