用红外光谱和差示扫描量热法（DSC）研究了具有钙钛矿型层结构标题配合物的固-固相变。
The solid-solid phase transitions in the perovskite-type layer title compound have been studied by infrared spectroscopy and DSC method.
首先，你使用一个非常好的干净的html结构运用简单的CSS样式构建标题、段落等等。
First, you start with a nice clean HTML structure with simple CSS styling pointing to headings, paragraphs, and so forth.
可以优化的重要页面元素包括标题、图形、图片、命令按钮、结构和布局。
Important page elements that can be optimized include headlines, graphics, images, command buttons, structure and layout.
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