So the passive LC network is used as a prototype for building a corresponding active network by leap-frog method.
因此，以无源lc网络为原型，利用跳耦法设计对应的有源电路。
In a TED talk in 2007, Jan Fishman, an analyst for Frog Design, a global innovation firm, outlined a common method of banking using a cell phone where there are no Banks.
2007年在一个TED讲座中，全球创意设计公司Frog Design的分析师扬菲什曼概述了在没有银行的地方用手机存钱的常见方法。
The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switch rail.
本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。
The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switch rail.
本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。
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