The spectroscope consists of diaphragm and light filtersheet.
其特征在于分光系统由一个光栏和滤光片组成。
2
The style sheet file transforms the extraction filter template file into a specific instance of an extraction filter file and performs the transformations that make the extraction dynamic.
样式表文件转化提取过滤器模板文件到提取过滤器文件的一个指定实例中，并且执行使提取动态的转化。
3
In this example, we choose the city property from the Olympics property sheet that was defined during document preparation to demonstrate the categorizing and filter feature in the example.