有时，旧技术也能凭借其象征意义的力量得以流传几百年。

Sometimes old technology lingers for centuries because of its symbolic power.

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在两年内他们发明了丰田的混合动力技术，凭借它，一辆汽车可以在短途行驶时采用电池动力，在高速行驶时采用汽油动力并为电池充电。

Within two years they had come up with Toyota's hybrid technology, in which a battery powers the car for short distances and a petrol engine kicks in at higher speeds, recharging the battery.

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卫星几乎无法观察海洋表面以下的情况，更不用说海底，所以相对而言，凭借我们的肉眼、技术，以及我们的理解能力，我们仍然无法看透海洋。

Satellites can hardly see past the surface of the water, let alone the ocean floor, and so the ocean remains relatively opaque to our eyes, our technology, and for the most part, our understanding.

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