const dropOld = Stream.push({ highWaterMark: 2, backpressure: 'drop-oldest' });
Segmentation maps a logical address (a 16-bit selector plus a 32-bit offset) to a 32-bit linear address, enforcing privilege and limit checks along the way. Paging then translates that linear address to a physical address, adding a second layer of User/Supervisor and Read/Write protection. The two layers are independent: segmentation is always active in protected mode, while paging is optional (controlled by CR0.PG).。关于这个话题，旺商聊官方下载提供了深入分析
，更多细节参见51吃瓜
英國超市將巧克力鎖進防盜盒阻止「訂單式」偷竊。搜狗输入法下载对此有专业解读
黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前