The president has unveiled his plan to accelerate the development of high-speed rail in the U. S.

不过，根据拟议中的计划，美国将把高速铁路系统扩展到全国其他地区。

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A leader in S-band radar development, Lockheed Martin's high-powered radar systems will find and follow the course of thousands of pieces of space debris to an accuracy of just meters.

洛克希德·马丁高功率雷达系统公司S波段雷达研发负责人将找到并跟踪成千上万的太空碎片，精度可达到几米内。

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Compared to the high production of U. s. shale gas, shale gas development is in its infancy in China, one important reason is its peculiar geological characteristics.

与页岩气生产大国——美国相比，中国页岩气勘探开发除了起步较晚，更有地质条件特殊性决定的页岩气地质特殊性。

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Eighty billion dollars of that total was to be pumped into the U.S.economy to promote development of renewable energy, urban mass transit, high-speed rail systems and clean energy jobs.

VOA: standard.2010.02.25

They're also tech-savvy, and that's driving the development of new high-tech STD prevention tools geared toward them.

CNN: High-tech tools for STDs

Though it is still near the bottom of the UN's human-development index, it is ranked quite high for governance and freedom, coming 18th out of Africa's 53 countries.

ECONOMIST: Hope and worry in Zambia

Cases like eBay's fuel fears that development of new high-tech products may be seriously hampered by the litigious intent of some patent-holders.

ECONOMIST: eBay’s bid to stop the injunctions | The