pl程序的第 2部分将迭代数据文件并为图像加注。
Section 2 of the worldCompositeMap.pl program iterates over the data file and annotates the image.
借助计算机代数语言，编写对接梁的传递矩阵法程序。
The transfer matrix method is implemented with the computer algebra language.
借助计算机代数语言，编写对接梁的传递矩阵法程序。
The transfer matrix method is implemented with the computer algebra language.
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