substantial fund on space exploration.
3总统关于削减政府社会福利支出的提议已经在公众中引起了很大的争议。 The President’s proposal to scale down/back the government’s social welfare spending has caused a great deal of controversy.
4美国“发现”号航天飞机回到肯尼迪航天中心之前，佛罗里达恶劣的天气，加上舱门的故障，曾使安全着陆难以保证。
Before the American space shuttle Discovery returned to the Kennedy Space Center, the bad weather in Florida, coupled with the door trouble, put its safe landing in doubt.
5迄今为止还没有充分证据表明火星上有生命，但这并不是说外层空间的研究没有科学价值。
So far there is little evidence of life on Mars, but this doesn’t justify the conclusion that space research has no scientific value.
6国际空间站是费用最为昂贵的太空探索项目，是有十六个国家参与的合作项目。
The International Space Station, a collaboration in which sixteen countries are taking part, is the most expensive space-exploration project ever undertaken.
7这本书讲的是五十年代末，中国航天探索的先驱者在没有外国专家帮助的情况下，执着地进行研究的情况。
This book describes the period at the end of the 1950s when the pioneers of Chinese space exploration pressed ahead with their research without the help of foreign experts.
8今年制造业创利已超过二千亿美元，占我国国内生产总值的一半。
This year the profits made in manufacturing industries have exceeded $200 billion, making up one half of our country’s GDP.