...风险投资退if：方式方对企业管理的控制；三是拥有杰出才能和诚实可靠的管理层；四是产品或方法已经过原型阶段（prototype stage）并采取适当的知识产权保护措施；五是风险投资家除了投入风险资本，还提供增值服务（value-added strategy）。
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The pads are still at the prototype stage but the designers said they hope to see them being worn by top players in the near future.
目前这种护腿板还处于原型阶段，但设计者们希望不久的将来就能看见顶级球员们穿着它上场。
Qualified technologies are those that have been developed through the prototype stage and are ready for transition to the commercial market.
合格的技术是那些已经过了原型阶段正准备转向商业市场的技术。
They are currently at the prototype stage but, should banks or consumers take an interest, the designs could be put into mass production, he said.
目前它们还在原型阶段，但是，如果银行或者消费者感兴趣，这些设计将会投入大量生产，他说。
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