strengthen the scientific rigor of the field of health systems research including concepts, frameworks, measures and methods;

加强卫生系统研究领域的科学严谨性，包括概念、框架、措施和方法；

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Chaos synchronization is an active research field. But the most offered methods for realizing chaos synchronization are confined in linear control methods.

混沌同步是很活跃的一个研究领域，但迄今为止提出的许多实现混沌同步的方法多限于线性控制方法。

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Experimental research method is one of the scientific methods in the field aboard of accounting theory research, while few scholars internal can use the method freely.

实验研究法是国外会计理论研究领域广泛采用的科学研究方法之一，而国内的学者使用这种研究方法的频率很低。

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