Type ST31 digital display unit with circular inductosyn is a new instrument developes according to a new design idea by using PWM version and programmable logic array GAL devices.

ST31型圆感应同步器数显表，是根据新颖的设计思想、采用脉冲调宽（PWM）方案和可编程逻辑阵列GAL器件而研制成的一种新型仪表。

The economic law is a law department and legal discipline that the modern market economy developes into certain stage emerging under specific history in which government interference failure.

经济法是现代市场经济发展到一定阶段出现政府干预失灵的特定历史下产生的法律部门和法律学科。

As productivity developes, and mutually reliant relations between countries and regions grow all over the world, the worlds economy is showing a quickening trend of regional economy integration.

随着生产力的发展、世界相互依赖关系的加深和地域依存关系的加强，世界经济出现了区域经济整合步伐进一步加快的趋势。

Highway construction as national basic facilities construction developes quickly.

公路建设作为国家基础设施建设发展迅速。

There are several effective teaching methods in the organic chemistry teaching. "Problem exploring"developes the students' ability to discover problems, study problems and solve problems.

有机化学教学中有几种行之有效的教学方法，“问题探究法”培养学生发现问题、研究问题、解决问题的能力。