價格：免費
檔案大小：51.6 MB
版本需求：系統需求：iOS 10.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
This application introduces the knowledge about the sector ping field. It has first allowed the application tour for how to use this application and work. It has display one by one question and gives the right answer. It has also sent feedback from the application and also included the about the application.
