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- Single screwer extrusion theory is more and more consummate, and some developed countries began to utilize it to design single screw extruder design. 单螺杆挤出理论经过几十年的发展日趋完善，一些发达国家已经利用单螺杆挤出理论指导单螺杆的设计。
- Extrusion theory and rheology theory have been applied to the force and energy parameters aiming at the stopping clay shaper in the ironmaking workshop of Anshan Iron and Steel Company in the paper. 针对鞍钢炼铁厂高炉炮泥成型机，应用挤压、流变理论对炮泥成型机的力能参数进行了研究。
- The extrusion theories of a single-screw extruder and the design theories of twin screw extruders have been summarized, and the particularity of the TSPE have been discussed also. 本文对单螺杆挤出机挤出理论和双螺杆挤出机设计理论的研究进行了综述，并对双螺杆磨浆机的特殊性进行了分析。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- Her theory was quoted without an acknowledgement. 她的理论被人引用而未向她致谢。
- Einstein's theory marked a new epoch in physics. 爱因斯坦理论开创了物理学的新纪元。
- For several years his theory held the field. 几年来他的理论一直保持着权威地位。
- Could you elaborate on this theory? 请你阐述这一理论，行吗？
- Do you agree to the wave theory of light? 你同意光的波动理论吗？
- Only in 1687 did he at last publish his new theory. 终于在一六八七年他发表了他的新理论。
- That seer is famous for his theory. 那个预言家以他的理论而出名。
- In sum, theory must be combined with practice. 总之，理论必须同实践相结合。
- The springboard is made of an aluminium extrusion. 跳板是铝制的挤压板。
- Marketing: Marketing theory, sales management. 市场学：市场学理论、营销管理。
- His theory is not intelligible to us. 他的理论我们无法理解。
