The traditional linear function should be displaced by nonlinear function because of the breakage of superposition principle.

由于叠加原理的破坏，主张将非线性生产函数替代传统线性齐次函数。

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Rationality of the method is proved in theory of(linear)circuit superposition principle.

通过电路叠加原理从理论上证明了该方法的合理性。

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Based on the superposition principle of linear elasticity, a static model test method — single input, multiple output — was proposed for the static test of such structure.

基于弹性力学的线性叠加原理，针对多点承载桁架式卫星结构的静力试验，提出“单点加载，多点输出”的测试方法。

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