例句與造句

1. performing a series of fetches to retrieve rows in either a forward or backward direction is called scrolling
   執(zhí)行一系列提取操作以便向前或向后檢索行的操作稱(chēng)為滾動(dòng)。
2. key direction can be controlled around the drunkard small forward or backward direction keys, control characters jump . screen return of floating wh
   方向鍵左右可以控制小酒鬼的前進(jìn)后退，方向鍵“上”可以控制人物跳躍。
3. a message sent in the backward direction indicating that all the address signals required for routing the call to the called party have been received
   反向發(fā)送的一則信息表明已經(jīng)接收到用于將呼叫發(fā)送給被叫方的所有地址信號(hào)。
4. scientists discovered that time travelling in the forward or backward directions are totally different in nature . time travel to the future is easy while going back into the past is extremely difficult or may even be impossible
   科學(xué)家發(fā)現(xiàn)，回到過(guò)去和躍進(jìn)未來(lái)有很大的分別，躍進(jìn)未來(lái)很容易，但回到過(guò)去則很困難，甚至是不可能。
5. here a light ray hitting the edge of a water droplet is reflected twice at an angle of about 83 degrees within the droplet . thereafter it clings to the surface of the droplet and is conveyed the rest of the way around the droplet to the backward direction 180 degrees
   上圖顯示光線(xiàn)自水滴邊沿進(jìn)入，作兩次大約83度角反射后，再跟著水滴邊沿傳送到光線(xiàn)進(jìn)入時(shí)的反方向180度。
6. It's difficult to find backward direction in a sentence. 用backward direction造句挺難的