In a healthy spine, the spinal canal has a rounded, triangular shape that provides an obstruction-free channel for the spinal cord.

在健康的脊柱，椎管是圆形或三角形的，为脊髓提供了畅通无阻的通道。

youdao

When there is free channel in the system and time does not run out, the handoff call can take the free channel and receive service.

一旦系统有空闲信道，且定时器未超时，则切换呼叫可以占用这些空闲信道，接受服务。

youdao

The endpoint that receives this message would then be free to use the transport-specific back channel to send any message that is targeted to this URI.

接收此消息的端点将随后可以使用传输特定的回发通道自由地发送以此 URI 为目标的任何消息。

youdao

This provides a unique and free channel for the company to reach consumer audiences with its messages.

FORBES: How Companies Can Make The Most Of Their Facebook Data

Meanwhile, Viva owns tvOne, a free TV channel that focuses on news, and also ANTV, which focuses on lifestyle and no surprise sports.

FORBES: Move up http://i.forbesimg.com t Move down

The reforms proposed by Mr Medvedev included the creation of a "public" television channel free from state influence.

BBC: Russia: Medvedev urges bold political reforms