The tag tap:aio is used to represent a logical disk based on the image file, while the tag phy represents a physical disk.

标记 tap:aio 用于表示基于镜像文件的一个逻辑磁盘，而标记 phy 表示一个物理磁盘。

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The standard and technical guideline of physical layer (phy) are emphasized.

其中着重讲述了物理层标准和各项指标。

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In phy layer, OFDM technique is introduced to guarantee the reliable data transmission in complicated physical environments.

在物理层，采用OFDM等技术为数据在复杂的物理环境中传输提供可靠的保证。

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The agreement builds on more than two years of collaboration between the organizations, in which WiGig Alliance developed the groundbreaking WiGig technology specifications including MAC-PHY and Protocol Adaptation Layers (PALs) and Wi-Fi Alliance initiated work to develop an interoperability certification for 60GHz products.

ENGADGET: WiFi and WiGig Alliances become one, work to promote 60GHz wireless

While Qualcomm VIVE 802.11ac provides up to 1.3 Gbps PHY rate of Wi-Fi capacity, Qualcomm StreamBoost provides a superior connected experience to users of all devices on a home network by managing and shaping traffic, and giving each connected device and application the priority and bandwidth required for optimal performance.

ENGADGET: Qualcomm Atheros announces StreamBoost technology to improve home networks, router performance