求翻译：钱伟长作为多所名校的名誉校长，对应用数学、物理学、中文信息学，著述甚丰—特别在弹性力学、变分原理、摄动方法等领域有重大成就。是什么意思？

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Qian Weichang as many prestigious universities on the application, honorary president of mathematics, physics, and Chinese literature, and Informatics has changed - in particular the theory of elasticity, sub-theory, perturbation methods, such as a major achievement areas.

Qian Weichang took many well-known colleges and universities honorary principal, to the applied mathematics, the physics, Chinese information study, the writings really abundant - specially in domains and so on elasticity theory, variational principle, perturbation method has the great achievements.

Qian weichang, as many famous Chancellor, applied mathematics, physics, information science, writing very lucrative-elastic mechanics, variational principles, especially in areas such as perturbation methods have significant achievements.

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