例句與造句

1. These design difficulties and stringent requirements are due to factors such as : the vast signal ranges encountered by the switches, switch power handling requirements, switch speed requirements, switch reliability requirements, and receiver gain control recovery speed requirements, all of which are briefly outlined in following paragraphs.
2. In the late 1980s, Hadfield attended the U . S . Air Force Test Pilot School at Edwards Air Force Base and served as an exchange officer with the National Aerospace Plane external burning hydrogen propulsion engine; developing a new handling qualities rating scale for high angle-of-attack test; and participating in the F / A-18 out-of-control recovery test program.
3. It's difficult to find control recovery in a sentence. 用control recovery造句挺難的