1) available field of visual
有效视区
1.
In order to solve the problem that available field of visual of double CCD measurement system is difficult to gain accurately, and based on the characteristic of 3D measurement system u.
测量系统有效视区选取的准确与否直接影响到CCD摄像机拍摄图像的清晰度,最终影响测量结果的精度。
2) effective number of looks
有效视数
3) Effective field of view
有效视场
4) effective discrimination
有效歧视
1.
Secondly,we should get rid of effective discrimination.
要解决中国目前存在的“增长悖论”问题,必须解决更深层次的“激励机制”问题、“有效歧视”问题和“产业升级”问题。
6) effective field of view
有效视野
补充资料：HⅡ区和HⅠ区
见电离氢区和中性氢区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条