This intermediary interprets requests from the virtual system to the host, thereby adding a layer of virtualization between the virtual system and the host.
这个虚拟中介截断了虚拟机系统发往主机的请求，也就是在虚拟机系统与主机之间添加了一个虚拟化层。
2
The Bluetooth specification also defines standard mechanisms for transmitting HCI packets between an HCI Driver and Host Controller, via a Host Controller Transport Layer such as.
蓝牙规范也定义了数个标准机制，通过一个主机控制器传输层(Host Controller Transport Layer)，在HCI驱动程序和主机控制器之间进行HCI数据包的传输，这些传输层包括。
3
The transport layer is also called the host-to-hostlayer.