Colombia's army and air force quickly found the kidnappers and forced them to release 21 of the hostages.
哥伦比亚陆军和空军很快找到了这些劫匪，并迫使他们释放了期中的21名人质。
Yang Liwei, then a lieutenant-colonel in the Chinese air force, spent 21 hours in space.
当时还是中国空军中校的宇航员杨利伟在太空中度过了21个小时。
Lawyers have been torturing the term as 21 states over the past three years of budget pain considered whether and how to force retailers (most notably Amazon) to collect sales tax.
在再过去的三年中，有21个州一边考虑支出预算，一边想着怎么怎样迫使零售商 （特别是亚马逊）缴纳销售税。 于是律师们一直在折磨着“关系”这个术语。
Article 21 These Measures enter into force as of the date of promulgation.
第二十一条本办法自发布之日起施行。
Software maker Adobe Systems Inc. said Wednesday it would lay off 600 employees, or 8% of its work force, even as it projected an 18% to 21% increase in fiscal fourth-quarter profit.
软件供应商奥多比系统(adobe SystemsInc .)周三表示，将裁减600人，占员工数的8%，虽然该公司预计第四财政季度利润将增长18% - 21%。
The Lockheed Martin-made jets will replace the aging, Soviet-made MiG-21 Lancer aircraft now used by the Romanian air Force.
洛克希德·马丁公司制造的飞机将取代老化的，苏制米格- 21Lancer飞机，Lancer现在由罗马尼亚的空军使用。
Most of them were 24 years old, the youngest 21 years old, they will be the first female pilot on behalf of the air Force fighters participated in the air by driving access.
她们当中最大的24岁，最小的21岁，她们将首次代表空军女飞行员驾驶歼击机参加空中受阅。
Through analysis and comparison of testing data, the one high driving and different diameter rolling have reduced 21-40 percent rolling force and assured the safety of the parts under stress.
通过实验数据分析和比较，单辊传动异径轧制可降低轧制力21—40％，保证了轧机受力零件的安全。
Article 21. This Law shall come into force from the date of its promulgation.
第二十一条本法自公布之日起施行。
The "Interim Measures on the Administration of Permits for Civil Space Launch Projects" are hereby promulgated, and shall enter into force on December 21, 2002.
现发布《民用航天发射项目许可证管理暂行办法》，自2002年12月21日起施行。
The "Interim Measures on the Administration of Permits for Civil Space Launch Projects" are hereby promulgated, and shall enter into force on December 21, 2002.
现发布《民用航天发射项目许可证管理暂行办法》，自2002年12月21日起施行。
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