The first stage in a technology's advance is that it'll fall below a critical price. After it falls below a critical price, it will tend, if it's successful, to rise above a critical mass, a penetration.
一项技术进步的第一阶段是它将跌破一个关键价格。在跌破临界价格后，如果成功，它将倾向于突破临界质量，进入市场。
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