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1.In this study, we use the contravariant tensor algebra to analyze the motion of objects in space.
在这个研究中，我们使用反变张量代数来分析物体在空间中的运动。
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2.The contravariant tensor algebra is a powerful tool for solving complex problems in engineering and science.
反变张量代数是解决工程和科学中复杂问题的强大工具。
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3. The application of the contravariant tensor algebra has greatly improved our understanding of the behavior of materials under various conditions.
反变张量代数的应用极大地提高了我们对材料在不同条件下行为的理解。