现代原理与方法

principle of economies───经济原理

first place, applying the basic principles and methods of modern economics, the paper theoretically probes into the fiscally supporting-agriculture policy.───本文运用现代经济学的基本理论和方法，首先对财政支农政策进行了深入的理论探讨。

Principles and methods of modern communication technology are more and more applied to the design and manufacture of new style telemetry seismographs.───现代通信技术的原理和方法正越来越多地被应用到新型遥测地震仪的设计与制造中。

The principles and methods of modern teaching math were raised. The issues based on modern constructivism and fundament: what inherit for a person's study.───通过教育实践活动对自己的教学设计进行了实验和检验，对在实践中发现的问题进行分析和反思，提出今后改进的意见和建议。