场图 meaning in Chinese

field pattern

And a direction field graph of the original image was also drawn
由锲特征得到方向场图来描述整幅图像。
Results with slopes method , the reflecting curve can be got easily
结果根据斜率不同，在波场图中可以容易地得到反封曲线。
Approximate field pattern
近似场图
For astrometric purposes , dark frame and flat field calibration is recommended
出于天文测量要求，暗场图和平场图校准是被推荐的。
Bright field image
明视场图象

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