americal造句

• Astm americal society for testing and materials
  美国材料试验学会
• americal newspapers and modern media
  美国报纸与现代媒体
• In statistics, all the enterprises in americal and in japan from 1950's to 1970's have formulated the detailed strategy
  据统计，美国、日本在20世纪50年代末至70年代初几乎所有的企业都制定有详细的企业战略。
• Futhermore, the simulation software based on spatial opertator algebra, for example, the soft of darts based on spatial opertor algebra researched by rodriguez and others in nasa had been used to a serial of dynamical calculation of aircrafts, and it had become the special analysing software, and almost all the dynamics of americal space airctafts were analyzed by this software . it had neraly saving one handure million dolars and had atahed perfect benefit, so it became the gold medal holder of software of nasa in 1997 . but the usa keep the software a secreet to our country, and the software can not shoping wherever . the principle and the method distact form different documents and papers
  此外基于空间算子代数的仿真软件，例如美国nasa科学家rodriguez等研究的基于空间算子代数的分析软件darts，已成功应用于一系列美国航天飞行器动力学仿真计算，成为美国航天飞行器专用分析软件，几乎所有的美国航天飞行器皆由此软件仿真分析，它多年来为nasa节约近1亿美圆，取得了良好经济效益，并成为nasa97年软件金奖获得者。