当Sources既是Primary Sources又是Secondary Sources时 来源通常不属于一成不变的类别,因此有时来源既可以是主要来源,也可以是次要来源。 当涉及主要和辅助资源时,请再次考虑该资源的内容以及您使用该资源的目的。 这是两个例子。 Example #1: Documentaries 纪录片通常包含历史照片和/或视频(它们是主要来源)。 它还...
Secondary Sources and Primary Sources “通过确定基本事实,例如建设年份,二手资料可以将研究人员指向最佳的primary sources,例如正确的税簿。 此外,仔细阅读二级来源的参考书目可以揭示研究人员可能错过的重要来源。” (Alison Hoagland and Gray Fitzsimmons, “History.” Recording Historic Structures, 2nd. ed., edited...
primary sources and secondary sources 举例 Primary sources and secondary sources are two fundamental types of sources that are used to gather information, conduct research, and write academic papers. While primary sources provide a first-hand account of an event, situation, or phenomenon, secondary ...
另一方面,secondary source解释primary sources,采取几个不同的primary sources,并分析它们以形成自己的论点。这些可以包括你现在很熟悉的教科书、传记、纪录片和杂志文章。 根据它们的性质,在事件发生后写secondary sources.这可能在五年到五百年之间(或更多)。审阅secondary sources对你的论文写作过程很重要,因为它让你知...
Sources fall into two main categories: primary sources and secondary sources. Both provide valuable information for you touse in an essayor another kind of academic writing, but they provide very different kinds of value. Read on to learn about the differences between primary and secondary sources...
来源主要次要and主要和 系统标签: primarysecondarysourcespeachamyowr次要 Primary and Secondary Sources Shakespeare Primary Source: An original, firsthand account. Primary sources may include: Autobiography Eyewitness testimony Letter Speech Literary work Historical document Information from firsthand interviews or...
research, history scholars use both primary sources and secondary sources. Primary sources are actual records that have survived from the past, such as letters, photographs, articles of clothing. Secondary sources are accounts of the past created by people writing about events sometime after they ...
Bothprimary and secondary sourcesare important for research, but primary sources tend to be more reliable because of their direct connection. At the same time, primary sources are usually harder to find (because there are fewer of them), so secondary sources help fill in the gaps and sometimes...
Accidental Injury Risks (X4) were the biggest source of risk in MS with an evaluation value of 3.6377, followed by Public Health Risks (X2), while Individual Health Risks (X7) and Natural Disaster Risks (X1) were the two smallest sources. We received similar feedback in the in-depth ...
Although tissue sources and manufacturing methods can be limited to reduce MSC variability and stabilize therapeutic effects, it is impossible to limit donors because primary MSCs have finite proliferation and will cease to proliferate with continued passaging because of the cell lifespan. Therefore, ...