1. Previous hand-held scanners, drum scanners are now the mainstream market, and the plate is the most popular scanners.
以往的手持式扫描仪、滚筒式扫描仪现在都不是市场的主流了，而平板扫描仪才是最受欢迎的。
2. Now available in the popular fanwei flatbed scanners, drum scanners, hand-held scanner on three, of course, they can also be further broken down.
此刻市道市情上风行的扫描仪次给有不生动扫描仪、滚筒扫描仪、手持式扫描仪不一栽，当然差它们还可以进一步粗不合。
3. Zhao Xian fan drum for more than Jiti Wu form of celebration during the harvest, farmers hand-held drum fan, the presence of the yard from twisting dance, beat a light and lively drums, singing folk songs minor, the joy of emotional expression, the very life.
赵县扇鼓多为集体舞形式，每逢喜庆丰收之时，农民们手持扇鼓，在场院里扭起舞步，敲打着轻快活泼的鼓点，唱着民歌小调，表达欢悦的情绪，很有生活情趣。
4. Shenzhen with Fu, Main: electroplating equipment, electroplating equipment supply all kinds of fittings fittings: Cross handle frames, plastic 65 tooth gear, 21 tooth plastic gear, plastic dual-V-Block, hexagonal screws 3 hours, 4 minutes plum screws, roller big axis, kegs of portable batteries, portable pail handle, hand-held drum gear hexagonal plastic punching: advantages: plastic punch hexagonal cylinder shape, the use of electrical conductivity, and fast access to medicine.
双V型胶座。深圳同富华，主营：电镀设备的各种配件供应电镀设备配件：十字柄架，65齿胶齿轮，21齿胶齿轮，双V型胶座，六角螺丝3分，梅花螺丝4分，滚筒大轴心，手提式小桶芯，手提小桶柄，手提齿轮六角滚筒胶板冲孔：优点：胶板冲孔六角滚筒成型后，使用时导电好，药水出入快。
5. Prices, hand-held at 400~600 yuan; desktop first million from the 1000 range; drum scanner at a resolution of 8000dpi or more dynamic range, color and other indicators have a higher median price is not suitable for home and office in general.
各类扫描仪都标明了它的光学分辨率和最大分辨率。分辨率的单位是dpi，dpi是英文Dot Per Inch的缩写，意思是每英寸的像素点数。1。什么是光学分辨率？