第四是革命卫队关联企业及合作财阀。1989年，哈梅内伊成为伊朗最高精神领袖时，为拉拢革命卫队巩固地位，在构建反美“抵抗经济”的名义下，放开革命卫队经商的大门，继而形成以封印先知建筑公司为代表的托拉斯企业，以及像前总统拉夫桑贾尼、现任议长穆罕默德·巴克尔·卡利巴夫（Muhammad Baqer Qalibaf）、前石油部长罗斯塔姆·卡塞米（Rostam Ghasemi）这样的财阀人物。他们包揽了伊朗70%的能源和基建项目，在政府削减预算的情况下也能帮助革命卫队维持收入，也让大量复员军人进入国家经济的领导层。
The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.。关于这个话题，体育直播提供了深入分析
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In Arm tradition, X925 has a number of configuration options. However, X925 omits the shoestring budget options present for A725. X925’s caches are all either parity or ECC protected, dropping A725’s option to do without error detection or correction. L1 caches on X925 are fixed at 64 KB, removing the 32 KB options on A725. X925’s most significant configuration options happen at L2, where implementers can pick between 2 MB or 3 MB of capacity. They can also choose either a 128-bit or 256-bit ECC granule to make area and reliability tradeoffs.