Historians use a wide range of primary and secondary sources for their research.
历史学家在研究中使用大量的原始资料和二手资料。
Harvey is another who, in describing the function of citing, relies on the standard distinction between primary and secondary sources.
Harvey是另一个在描述征引的功能时依赖于一手资料与二手资料之间的区分的人。
In this assignment you will be writing a 10-12 page paper that advances a specific historical argument and supports it by citing primary and secondary sources.
本次作业要写10- 12页，关于一个具体的历史争论，并引用主要和二次文献证明。
Through the study of primary and secondary sources, we will see how the material lives, mental worlds, and individual and communal identities of the French changed over this century and a half.
通过研究一手和二手资料，我们将看到在一个半世纪以来，法国的物质生活、精神世界、个人和公共身份是如何变化的。
Synchronous availability guarantees that the data sources on primary and secondary systems are identical, and complete data continuity is maintained after a failover.
同步可用性保证主系统和辅助系统上的数据源是一致的，完整的数据连续性是在故障转移之后维护的。
Therefore, they prefer primary sources to secondary ones, and confidential reports to public ones.
所以，他们喜欢一手资料甚于二手资料，喜欢机密报告甚于公开报道。
Second, you have to read at least four secondary sources and try to figure out the various ways that the primary sources have been interpreted.
其次，至少读四种二次文献，并说出原始文献不同的诠释方法。
Historians use two main types of sources in their research, primary sources and secondary sources.
研究中，历史学家们使用两种材料：一手资料和二手资料。
Historians use two main types of sources in their research, primary sources and secondary sources.
研究中，历史学家们使用两种材料：一手资料和二手资料。
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