盲区, 静区, 无信号区, 阴影区的英文

blind area

• 盲区:    dead zone; fade ar ...
• 静区:    silent zone; zone ...
• 无:    not have; there is ...
• 信号:    signal; semaphore; ...
• 区:    H region; H
• 阴影:    shadow; shade; clo ...