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如何合理的检索外文参考文献的出版地和出版商？ - 知乎 专著的参考文献通常需要出版社名称、出版地等信息，一些书籍的出版地尤其难找，一堆地名不知道到底写哪个。今天我发现可以用 ISBN 轻松找到书籍的出版信息。 任何一本书的扉页都会有ISBN，找到它。
如何origin在一个图中画两条线，比如这种? - 知乎 默认状态下是 A (X) B (Y) C (Y) 形式的。 导入数据到各个列中，全选数据后，点击 Origin 工具栏上的 Plot ——> Basic 2D ——> Line + Symbol 或者 点击 Origin 下边快捷图标，如下图所示 Origin 就会自动绘制两条数据线，如下图所示：
在学位论文中缩写、符号如何使用？ - 知乎 There are four basic properties to each Fourier transform There are four basic properties to each FT This is a key sentence from James Watson and Francis Crick's landmark paper on the structure of DNA: “The novel feature of the structure is the manner in which the two chains are held together by the purine and pyrimidine bases ”