说明：  硕士论文，遥感图像的道路提取，是在12月份写完的。。。我也就不说了，做遥感请看一看，会对你的论文很有帮助的
(Master' s thesis, remote sensing, image extraction, was finished in December' s. . . I would not say, do remote sensing Please take a look at your paper would be very helpful)