数字电子钟，单片机控制，可以设置时间，并且进行时钟计时-Digital electronic clock, microprocessor control, you can set the time and the clock time

通过数字图像分析技术, 测量和计算种猪的投影面积, 并分析其与体重的相关性, 为种猪体重测量提供了 新的依据-a new method w hich applies computer visio n technolog y to pig production. T he projected im ag e ar ea o f pigs when viewed ectly above w as com puted. The pig w eig hts w ere estimated b