1. CAN总线 历史 CAN 是 Controller Area Network 的缩写（以下称为 CAN），是 ISO国际标准化的串行通信协议。 在当前的汽车产业中，出于对安全性、舒适性、方便性、低公害、低成本的要求，各种 …

I don't know how he can afford a new car on his salary. Cats can see in the dark. The water's not deep here - look, I can touch the bottom. I doubt whether I can finish the work on time. Computers can …

You use can to indicate that someone has the ability or opportunity to do something. Don't worry yourself about me, I can take care of myself. I can't give you details because I don't actually have any details. …

Despite the insistence by some, that can means only "to be able'' and may means "to be permitted,'' both are regularly used in seeking or granting permission: Can (or May) I borrow your tape recorder?

can meaning, definition, what is can: to be able to do something or to know ho...: Learn more.

"Can" is one of the most commonly used modal verbs in English. It can be used to express ability or opportunity, to request or offer permission, and to show possibility or impossibility.

According to the ISO OSI (open system interconnection) layer model, CAN applications typically cover the physical layer, the data link layer, and the application layer (see Figure 1).

used to say that somebody knows how to do something She can speak Spanish. Can you cook? I could drive a car before I left school.

We sometimes use be able to instead of "can" or "could" for ability. Be able to is possible in all tenses - but "can" is possible only in the present and "could" is possible only in the past for ability.

Although can't is the short form of cannot, you usually don't use cannot in short answers without a verb following. With cannot, the answer would be longer: Can Peter speak Spanish?