您要查找的是不是：
- waveform fall time 波形下降时间
- CML (current mode logic) has smaller rise and fall time than LVDS. 电流模逻辑（CML）是最快的的接口选择之一。
- To design a CMOS invertor with balance rise and fall time,please define the ration of channel width of PMOS and NMOS and explain? 为什么一个标准的倒相器中P管的宽长比要比N管的宽长比大？
- Pulses have fast rise and fall times, and minimal droop. 脉冲能迅速上升和下降，减少误差。
- Sometimes, I fell time passed insensibly, but I did nothing. 有时我感到生命从我身边悄悄消逝，而我则一事无成!
- The result of simulation shows the 4-input NOR constructed by standard cell has transmission delay of 150ps per gate, rise time of 380ps, fall time of 50ps and power dissipation of 1.30mw per gate. 模拟结果表明;由标准单元组成的四输入或非门单门延迟仅为150ps/门;上升时间为380ps;下降时间为50ps;功耗为1.;30mW/门。
- He will never fall away even in time of danger. 他即使在危急时刻也绝不会放弃原则。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- Fall back on old friends in time of need. 在需要时求助于老朋友们
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- With the total dimming period reduced to a matter of microseconds, total rise and fall times for the LED current, including propagation delays, must be reduced to the nanosecond range. 当总调光周期降低到微秒级时，LED电流总上升和下降时间（包括传输延迟），必须降低到纳秒级。
- Laid-off workers fall into penury. 下岗职工陷入贫困。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- The malformation of his knee is caused by a fall. 他膝盖的畸形是由摔了一跤造成的。
- At that time he had two helpers. 当时他有两个助手。
- She fall to brood about what have happen to her. 她开始沉思默想自己的遭遇。
