求翻译：请输入您需要翻译的文本！卡诺循环与卡诺定理在热力学的研究中具有重要的理论和实际意义。它解决了热机热效率的极限值问题，幷从原则上提出了提高热效率的途径。是什么意思？

Carnot cycle and Carnot theorems in the study of thermodynamics has important theoretical and practical significance. It solved the heat problem of thermal efficiency limits, Bing made from the principle means of improving thermal efficiency.

kano revolving and Kano theorems in thermodynamics in the study of important theoretical and practical significance. It has resolved a thermal engine thermal efficiency, the limit value of 27,600,000 in principle from the ways of improving thermal efficiency.

The Garnot cycle and the carnot's theorem have the important theory and the practical significance in thermodynamics research.It has solved the heat engine thermal efficiency limit value problem, 幷 from in principle proposed enhances the thermal efficiency the way.

Carnot cycle and CARNOT theorem in thermodynamics is of great theoretical and practical significance in the study. Limit value problem it solves the heat efficiency of heat engines, and in principle put forward ways of improving thermal efficiency.

Carnot cycle and Carnot theorems in the study of thermodynamics has important theoretical and practical significance. It solved the heat problem of thermal efficiency limits, Bing made from the principle means of improving thermal efficiency.