systems

1.（6分13秒-7分21秒）When Bill Gates mentions that “What are the key pieces？First， we need strong health systems in poor countries.That&2.“One country， two systems”， that is， one country and two systems， is the basic national policy proposed by the Chinese governmen3.Western civilization or Occidental culture, usually refers to the heritage of social norms, ethical values, traditional customs,4.There are several groups which have analyzed the performance and yield of PV systems with a systematic approach that focuses on 5.What are the three major philosophy systems in the world?6.Philosophical systems are never definitively proved false.7.Generally speaking, economic systems can be divided into planned and free market systems.8.“One country, two systems”, that is, one country and two systems, is the basic national policy proposed by the Chinese governmen