说明：  内容： Symbian OS 概述 (1上) Symbian SDK及其开发环境 (1上) Symbian软件开发概述 (1上) 内存管理 (1下) Descriptors (2上) 动态数组 (2上) 活动对象 (2下)
(: Symbian OS Overview (1 on) and Symbian SDK development environment (one on) Symbi an overview of software development (on a) memory management (1) Descriptors (1) dynamic array ( 2 A) activities Objects (2))