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Previously,巴东 the "load design" of Zeng Yaoxiang's team has always followed the method of the 1960s. As my country's rocket launches become more and more intensive and the number of new models increases, the more in-depth the design workers work, the more they feel that the original method is adopted, the load design is conservative, the rocket carrying capacity cannot reach the target, and it is difficult to adjust the expected weight. satellites into space.