According to some theories, aging is caused by damaged DNA, the genetic material of humans.
基于1个网页-相关网页
As a fruit of my study, I develop a multimedia courseware of senior physics, which is designed according to some theories that was stated above.
作为本课题研究的一个小小成果，作者制作了一个高中物理的多媒体课件，基本上体现了前述的一些设计思想。
We find here stunning landscapes, a great diversity of animals and plants, good people and, according to some strong theories, the origin of human being.
这里有炫目的风景，多种多样的动物和植物，友善的人们，以及(根据某些有说服力的理论)人类的起源。
According to the features of barren mountain, some theories and principles of landscape ecological construction are studied based on landscape ecology.
针对荒山特点，运用景观生态学观点对荒山景观生态建设的理论思想和原则问题进行了探讨。
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