eyeable

基本解释

The air combat visual has a characteristic that the eyeable airspace is big(more than 20 kilometers) but target is small(all fighter plane is small in 30 meters).
空战仿真视景具有可见空域大（20公里以上）而靶标小（战机均小于30米）的特点。
Purpose Pass to analysis of relations between the eyeable area and radiate dosage at maze, provide a reference for right choice of the lead equivalent of the protection door.
目的通过对放射防护中可视面积对迷路口的剂量影响分析，为正确选择防护门铅当量提供参考依据。
And then they oviposited in the soil of the clearing nearby, and left over an eyeable aperture on the surface.
然后选择附近杂草稀少的空地产卵，于土壤表面留下产卵孔。