Comparatively metope light can reduce the shadow effect that top illuminant brings. 相对来讲墙面光可以减少顶光源带来的阴影效应。
Cooperative relaying can combat multi-path fading and shadowing effect in wireless networks to enhance communication quality and bandwidth efficiency. 采用中继传输能够抵抗无线信道的多径衰落，克服阴影效应，从而增强通信质量，提高频谱效率。
