One of the advantages of OFDM is the flexibility concerning modulation and multiple access techniques.

调制方式和多址接入的灵活性是正交频分复用（OFDM）技术的一大优点。

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CDMA mobile communication system adopts multiple access techniques which means different address codes are used to distinguish users, base stations and channels.

CD MA蜂窝移动通信系统是一种采用多址技术的通信系统，即采用不同的地址码来区分用户、基站和信道。

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Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).

介绍了无线接入网中的两种关键技术：OFDM(正交频分复用)和CD MA(码分多址)。

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Improved drilling techniques and access to immense shale gas fields across the country have seen a boom in domestic gas production.

FORBES: Oil-to-Gas Ratio Says Oil Will Hit $200 A Barrel

Business must respond as well, particularly by giving small-holder farmers the access to new crop varieties, techniques and markets.

CNN: Story highlights

The workshop (13-14 December 2004) aimed to give participants an overview and degree of familiarity about the digital frontier, orient participants on techniques, issues and technology for digitizing and increasing access of their AV materials, and provide a venue to define or describe issues, obstacles and alternatives regarding digitization in the Asian context.

UNESCO: Education