数码产品更新换代很快，过去的型号很快就会降价。
Digital devices are quickly updated, and the price of the old models will soon drop.
随着信息集成时代的到来，产品更新换代的速度按指数递增。
With the advent of the age of information integration, the product renovation rate becomes a exponential function.
我国用机电一体化技术加速产品更新换代，提高市场占有率的呼声高，有压力。
Electromechanical integration technology with China's accelerated product upgrading, enhancing the voice of the market share, pressure.
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