封闭地块 遮视区 盲区

blindarea  detail>>

封闭地块

blind area  detail>>

遮视区

blind area  detail>>

衰落区盲区

fade area  detail>>

阴影静区盲区

shadow  detail>>

封闭地层

confining bed  detail>>

封闭地下水

confined ground water  detail>>

圆封闭地

liss  detail>>

非封闭地下水

unconfined ground water  detail>>

视区

occipital eye field optic area optic zone viewing area viewports vision are...  detail>>

盲区

[无线电] dead zone; fade area; fade zone  detail>>

地块

block mass crustal block diastrophic block land block land mass land parcel...  detail>>

铅块遮挡

lead block shielding  detail>>

复视区

diplopia field  detail>>

共视区

zone of mutual visibility  detail>>

黑视区

blackout area  detail>>

监视区

surveillance area  detail>>

前视区

preoptic area  detail>>