Torpedoes are quite old and in many ways quite simple compared with more modern weaponry. However, they remain the primary armament of attack submarines.
Фото: Кирилл Пономарев / «Лента.ру»
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莫娜 · 辛普森是一位美国小说家，代表作《在别处》《凡人》等。她还有两个特殊身份：《辛普森一家》中母亲的角色原型，以及史蒂夫 · 乔布斯的胞妹。
it just works. no special machinery needed. the boolean operators distribute over derivatives the same way union does. derivatives are such a powerful and interesting tool that i will dedicate a separate post to them, but the main point is that they give us a simple and uniform way to handle all regular language features, including intersection and complement.
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研发人员的数量变动进一步揭示了行业分化的加剧——五年间，10 个行业的研发人员数量出现负增长，且这些行业主要集中在尾部；而以消费电子及电气业、汽车制造业为代表的行业，则大力扩张研发人员规模。