An S-twist yarn is one in which the fibers follow a spiral pattern parallel to the center bar of the letter S. 捻的纱线中的纤维成螺旋状并与字母S中间的斜杠平行。
Use the tasks of digit and letter copying, and the tasks of pattern and letter comparison to measure processing speed. 用数字抄写任务与字母抄写任务、字母串比较任务与符号串比较任务考查加工速度;
In the low-lying land and desertification edge with Lacustrine sediments deposited from Cretaceous and lower Pleistocene of Quaternary period, the contains of F~-in groundwater was high with the vertical distributing pattern of larger in lower and letter in upper. 在白垩系及第四系下更新统以来湖相沉积的湖盆洼地以及沙漠边缘地区,地下水中F~-相对富集,且具有深部地下水F~-含量大于浅层地下水及地表水的垂直分带性;
The method by which the linear stripe image is thinned has very much important status in computer vision, image analysis and pattern recognition such as letter recognition, fingerprint recognition, chromosome recognition etc. 针对线条纹图像的细化在文字识别,指纹识别,染色体识别等计算机视觉、图像分析和模式识别领域里的重要性;
Off-line handwritten Chinese character recognition is a challenge in the field of pattern recognition. It will take an important part in many fields of our life, such as letter selecting, check recognition, report form disposing and handwritten manuscript auto-input. 脱机手写体汉字识别是模式识别领域一个极具挑战性的课题,它将在信函分拣、银行票据识别、统计报表处理以及手写文稿的自动输入等诸多方面发挥巨大的作用。