可以这么说，2010 年前后出生的新一代，他们第一台能接触到的计算设备，大概率会是平板电脑和智能手机，用手指直接点击屏幕，就是他们最自然也最熟悉的交互方式。
Nearly every protection-related instruction -- far CALL, far JMP, far RET, INT, IRET, MOV to segment register, task switch -- needs to load a segment descriptor from the GDT or LDT. The 386 microcode centralizes this into a shared subroutine called LD_DESCRIPTOR, which reads the 8-byte descriptor from memory and feeds the high DWORD (containing Type, DPL, S, and P bits) to the Test PLA for validation.。关于这个话题，safew官方版本下载提供了深入分析
Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.，详情可参考雷电模拟器官方版本下载
Things Fall Apart，更多细节参见爱思助手下载最新版本