Millions of CCDs are made each year for mass market cameras, but they also proved a transformational technology in science by providing a much more sensitive light sensor than previously existed.

每年都会生产数百万个CCD，以满足大众数码相机的市场需要，但结果证明它们也是科学领域的一项重大技术变革，据此生产的光传感器比以前存在的各种光传感器都要敏感许多。

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Last Friday, after the conference had concluded, I again met with PCAST to discuss our findings and how USAID can continue to deliver the transformational promise that science and technology hold for poor communities around the world.

WHITEHOUSE: Science and Technology an Indispensible Part of U.S. Development Policy Worldwide | The White House