1.In September, the U. S. is believed to have launched at least 21 such attacks, an unprecedented number and nearly all in North Waziristan.
九月，美国被认为已发动至少21次此类袭击，这是个空前的数字，并且几乎所有都在北瓦济里斯坦。
2.The industry is witnessing increased competition from generic drugs as an unprecedented number of branded medicines lose patent protection.
随着失去专利保护的品牌药物达到前所未有的数量，制药业面临的来自无商标药物的竞争日益激烈。
3.Chinese churches in North America have been blessed with unprecedented number of conversions and baptisms .
北美的华人教会经历著神莫大的祝福，受洗归主的人数之多是前所未有的。
4.An unprecedented number of patents will expire this year and next and new drugs have been slow to emerge from research pipelines.
许多专利将于今年失效，数目之大前所未有，而下一种药品却未有结束研究流程，迟迟不能面市。
5.an unprecedented number of students are taking advantage of higher education.
受益于高等教育的人数也是空前的。
6.This year's Walks have attracted an unprecedented number of walkers and raised millions to support autism research.
今年的“开始行动吧”活动吸引了前所未有的大量人群参与步行，并筹集了数百万元资金用于孤独症的研究。
7.And an unprecedented number of businessmen now sit in Arab parliaments .
跻身阿拉伯议会的商人达到前所未有的数目。
8.We interact with China on an unprecedented number of issues.
我们需要与中国共同处理的问题达到了前所未有的广度。
9.He is among what polls say is an unprecedented number of Israelis who, just hours before the polls open, are still undecided.
民调结果说，在投票站开门前几小时还没决定选谁的以色列人人数空前，而他就是其中之一。
10.Against this background, an unprecedented number of acts of violence broke out along the cease-fire line beginning on 5 August 1965.
在这种背景下，一九六五年八月五日开始，在停火线上空前频繁地发生暴力行动。