指数期权可以广基(broad-based)指数及窄基(narrow-based)指数作为交易标的,以及允许投资人针对特定市场或特定产业集团标的进行交易,而不需要买入所有的个别股票。
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First, the meritocracy is based on an overly narrow definition of talent.
首先,精英管理建立的基础,是对人才过于狭隘的定义。
The radio offers seamless interoperability and compatibility with Internet Protocol-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
无线电台提供了与互联网协议为基础的系统无缝链接的互操作性和兼容性,并拥有扩展的无线电频率范围和窄带操作模式。
The radio offers interoperability and compatibility with Internet Protocol-based systems and has an extended radio-frequency range and narrow-frequency bandwidth operating modes.
该电台兼容基于互联网协议的系统,可进行互操作,拥有扩展无线电频率范围和窄频带操作模式。
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