例句與造句

1. Whirlabout flat drive system adopts direct current electromotor and servo system is closed loop . the system carries out the response of adjusting shipboard 90 ? within 1 . 8 seconds and orientates accurate position simultaneously ( the error is within ? ? )
   同時為實現(xiàn)1 . 8秒調(diào)舷90的響應(yīng)，并調(diào)舷定位在精確方位上(誤差在20之內(nèi)) ，伺服系統(tǒng)以線性? ?非線性系統(tǒng)來實現(xiàn)。
2. It's difficult to find flat drive in a sentence. 用flat drive造句挺難的