本教程知道开发人员如何更加专业的开发APP,开发高档次高水准的应用程序,非常实用-This tutorial to know how the developers more professional development APP, the development of high-grade high-level application, very useful

android安卓版水准测量数据记录电子手薄程序，可平差及导出数据，可导入例子数据等功能。-android Andrews version of the standard measurement data recording electronic hand book program, you can export data and adjustment, can import example data and other functions.