Image matching is the key stage for digital Terrain Model (DTM) automatical aquisition using with digital images.
利用数字影像自动提取数字地形模型(dtm)的关键是影像匹配。
A simple method for automatical adjustment of light intensity on model 721 spectrophotometer is introduced.
介绍了一种实现721型分光光度计光强自动调节的简便方法。
The utility model can also be used for back flushing bag dust collectors and automatic opening and automatical closing devices on non corrosion fluid flow passages.
本实用新型还能应用于反吹布袋除尘器，以及无腐蚀流体通道上的自动开闭装置。
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