I coded this file by hand, which is one option, but most people are more comfortable with a 3d drawing program, using X3D to render for the Web.
我是手工编写这个文件的，这是一种选择，但是大部分人更喜欢使用3d绘图程序，并使用X3D呈现给Web。
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
没有X11显示变量设置，但这个程序进行操作，需要。
This paper presents convenient ways for bar code printing, which not only solves the above problems but also simplifies the program...
该文给出了几种简单易用的条码打印方式，简化了程序流程。
Through this way the investigator can mostly concentrate on the object which he is studying but not how to program, so it's convenient and efficient.
这种方案在不影响程序运行速度的前提下，缩短了应用程序的开发周期，让研究者更专注于研究对象本身，具有很强的实用和推广价值。
Through this way the investigator can mostly concentrate on the object which he is studying but not how to program, so it's convenient and efficient.
这种方案在不影响程序运行速度的前提下，缩短了应用程序的开发周期，让研究者更专注于研究对象本身，具有很强的实用和推广价值。
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