常見例句The relative difference quotient algorithm (RDQA) is introduced and advanced for the optimum design. 優(yōu)化方法采用相對差商法，并作了若干改進。Results of example show that the value of objective function decreases by 5.54%, indicating good validity of the model and the advanced RDQA for large crude oil carrier structure optimization. 算例顯示優(yōu)化后縱向構件總重量減輕了5.;54%25，表明所建的優(yōu)化模型和改進的相對差商法在大型油船結構優(yōu)化方面具有良好的有效性。 返回 RDQA