首次打开 Termux，执行以下操作：
"It provides the propulsion that Orion needs to get us to the Moon."
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int8 与 int4 — 有什么区别？
Nathan Heath,BBC West Investigations
Bits [13:2]: A 12-bit microcode redirect address -- a fault handler (e.g., 0x85D for #GP, 0x870 for #NP) or a gate dispatch routine (e.g., 0x5BE for a 386 call gate).