例句與造句

1. A bistable element has two stable stationary states, transitions between which occur when external influence exceeds a certain threshold.
2. Ringing is undesirable because it causes extra current to flow, thereby wasting energy and causing extra heating of the components; it can cause unwanted electromagnetic radiation to be emitted; it can delay arrival at a desired final state ( increase settling time ); and it may cause unwanted triggering of bistable elements in digital circuits.
3. It's difficult to find bistable element in a sentence. 用bistable element造句挺難的