Error analysis of plant coverage measurement by overhead photograph;
照相法在植被覆盖度测量中的误差分析
The plant coverage of two fields located in Beijing city was measured periodically in order to analyze the errors of overhead photograph and visual estimation for plant coverage.
选择北京密云、怀柔的 2块农地作为样地 ,对照相法测量植被覆盖度的效果进行了分析 ,并将之与目估法进行了对比。
direct photographic screen plate
直接照相法丝网印版
indirect photographic screen plate
间接照相法丝网印版
intermask process
二次曝光合成照相法
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射线照相法测定年代
medical diagnostic radiography
医用射线诊断照相法
X-ray microradiography
X射线显微放射照相法
medical radioisotope scintigraphy
医用放射性同位素闪烁照相法
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接触式射线照相法测定年代
computed tomography
计算机化断层x射线照相法
He also discovered how to take pictures using a short exposure.
他又发现了短暂曝光照相法。
Any of various photomechanical or photoengraving methods.
照相制版术照相工艺或照相制版的方法
testing method of photocharacteristic of photographic paper for general use
普通照相原纸的照相特性测定法
photographic study of combustion
燃烧过程的照相研究法
Photogravure: An intaglio printing process in which images on the printing plate are photographically produced. Commonly called "gravure".
照相凹版:用照相方法造成印纹的凹版印刷方法。
Identification of Irradiated Pork and Egg by Gas Chromatography;
气相色谱法鉴别辐照猪肉和辐照鸡蛋
electrostatographic imaging process
静电摄影成像法;静电摄影成像法;静电照相成像法;静电照相成像法
Photolettering: Method of setting display sized type photographically from film master.
照相标题字:用照相方法经菲林母片影排标题字的方法。
determination of iso speed of colour reversal camera films for still photography and direct projection motion-picture photography
静物照相和电影用彩色反转照相胶片感光度测定方法