半双工
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://cablefyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>
Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://cablefyi.com/entity//
Add a dynamic SVG badge to your README or docs.
[](https://cablefyi.com/entity//)
Use the native HTML custom element.
一种通信模式,数据一次只能单向传输,在发送和接收之间交替。
半双工需要设备轮流传输,降低有效吞吐量。早期以太网集线器以半双工工作,导致冲突。USB 2.0是半双工——主机和设备不能同时发送数据,这限制了实际性能。