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Aerosmith kicks off "Peace Out" farewell tour in Philadelphia_我的网站

一 |     据外媒报道，去年，洛克希德·马丁公司开始测试一种针对未来战机的新型激光炮塔。    Legendary rock band Aerosmith kicked off its long-awaited "Peace Out" farewell tour in Philadelphia on Saturday.Aerosmith took the stage at the Wells Fargo Center, where they were joined by special guests The Black Crowes. The band played crowd-favorites such as "Back in the Saddle" and "Janie's Got a Gun," among other hits. 

     It was the first show of their 39-stop tour, which they announced in May. "After 50 years, 10 world tours, and playing for over 100 million fans... It's time for one last go!" the band wrote on Instagram.                 The five band members, which include frontman Steven Tyler and guitarists Joe Perry and Brad Whitford, are all in their 70s now. They got their start in 1970 in Boston and went on to reap international success and critical acclaim. The band has won the Grammy for Best Rock Performance by a Duo or Group four times — for 1991's "Janie's Got a Gun," 1994's "Livin' on the Edge," 1995's "Crazy" and 1999's "Pink."In 2012, the band talked with Lara Logan on CBS News' "60 Minutes" about their tumultuous 40 years together. "I think my perfectionism and my busting everyone's chops is what got this band to where it is today," frontman Steven Tyler said. "There's no doubt about Steven's greatness. When you ask what makes the band great, I think that it's a combination of all of us. What that was right now, I can't tell you," drummer Joey Kramer said."I think a lot of it is [Tyler is] unbelievably competitive. You know he's competitive with us. With each member of the band," bassist Tom Hamilton said.                      The band will close out the tour on January 26 in Montreal, Canada.                                   。

二 | 日前，这家公司披露，他们经过60次的飞行测试之后认定该炮塔系统具备了360度攻击的能力，这意味着这种技术离实际部署又进了一步。据了解，虽然该领域研究人员将激光视为具备穿透空气的光线，但同时空气也是它面对的最大问题之一。比如说在湍流效应的下激光就只能打击正前方的目标。为了应对这一问题，洛克希德·马丁公司研发出了航空自适应气动光学光束控制(ABC)炮塔。

三 | 这套专门为DARPA和美国空军研究实验室(AFRL)研发的炮塔使用了一套光学补偿系统，它由一组可变性反射镜组成，并结合了空气动力学及控流技术，以此来解决湍流问题。这给了炮塔可360度打击目标的能力。据洛克希德·马丁公司介绍，自去年开始，他们通过一台安装在双引擎商用飞机的激光器进行了60次测试。公司导弹系统、高级项目、战略与导弹防御系统副总裁Doug Graham表示：“这套先进的炮塔设计将能让战术飞机拥有跟地面和海洋军事交通工具一样的激光武器系统优势。这展示了洛克希德·马丁如何使用各种创新技术将激光武器转变成综合武器系统的一个范例。

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