德国施普林格(Springer-Verlag)是世界上著名的科技出版集团，通过SpringerLink系统提供其学术期刊及电子图书的在线服务，该数据库包括了各类期刊、丛书、图书、参考工具书以……
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Red Hat is the world’s leading provider of enterprise open source solutions, including high-per……
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Infineon semiconductor solutions - MCUs, sensors, automotive & power management ICs, memori……
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From microcontrollers and processors to sensors, analog ICs and connectivity, our technologies ……
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Through UChat, everyone can have free, safe and simple instant messaging, including text passin……
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香港交易及结算所有限公司（Hong Kong Exchanges and Clearing Limited，简称港交所，英文全称为Hong Kong Exchanges and Cleari……
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Visual Studio dev tools & services make app development easy for any developer, on any plat……
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Get free Outlook email and calendar, plus Office Online apps like Word, Excel and PowerPoint. S……
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Get free Outlook email and calendar, plus Office Online apps like Word, Excel and PowerPoint. S……
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