originally provided for remote job entry, the conceptual ancestor of IBM's later
这一环节的优势十分突出，技术垄断性强、行业集中度高，现金流稳定，风险相对较低——无论下游“淘金客”成败，都离不开硬件工具的支撑。但风险同样不容忽视：技术迭代可能颠覆现有硬件需求，且过度依赖资本循环，若下游融资断裂，订单规模或将大幅缩水。
，这一点在heLLoword翻译官方下载中也有详细论述
of the most enduring properties of the 3614/3624: their handling of PIN numbers.
I found one dumb free win (I mistakenly used value receivers on a utility function called on a large struct thousands of times a frame). But the rest of the speedups I found took more effort.