to_be_deleted[classno] = h;
传统玩具厂商比如奥飞娱乐，其最大的优势就在于手握喜羊羊、超级飞侠等国民级IP，并且拥有成熟的玩具供应链和制造能力。，这一点在heLLoword翻译官方下载中也有详细论述
，更多细节参见91视频
The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
Built-in A/B testing。关于这个话题，爱思助手下载最新版本提供了深入分析