This requires a form of abstract thinking (beyond the bits and bytes of code) that can be difficult to master.

这要求具有某种形式的抽象思维(而不再是代码的细节)，这种思维能力可能较难形成。

youdao

Can also functions as bus access priority and arbitration. Several single chip microcomputers can be connected to can bus through can controller to form a multi-master area controller network.

CAN具有优先权和仲裁功能，多个单片机可通过CAN控制器连接到CAN总线上，形成多主机的局部控制网。

youdao