scanning

• Scanning was first used in the transmission of pictures by telegraph .
  最先应用扫描法是用电报传播图像。
• The pen traces out the signals as the telescope scans the sky .
  记录笔把望远镜了望宇宙时获得的各种信号描绘出来。
• As long as no key is pressed, the scanning goes around in a circular manner .
  只要没有按下键，扫描就循环地进行。
• Walden noticed the bodyguard scanning the woods on either side .
  沃尔登注意到他们的警卫不停地扫视着两边的小树林。
• He will scan the rockefeller archives for more winter data .
  他要在洛克菲勒档案库中继续搜寻更多的有关温德的资料。
• Xenon lung scans may be helpful in the early diagnosis of inhalation injury .
  氙肺扫描可能有助于早期诊断吸入性损伤。
• Three dispatchers were scanning cathode ray tube displays for information .
  三名调度员正在研究阴极射线管所显示的情报。
• The beam scans a circular area in the form of a sector which sweeps around and around .
  这波束周而复始地呈扇形扫视一个园形区域。
• Scanning in this system stops with the first key down which is encountered .
  在这一系统中，当扫描与按下的第一键相遇时，便停止扫描。
• He put down his razor and took the newspaper with wet hands, scanning the front page .
  他放下保险刀，用湿手拿起报纸，扫了一眼第一版。