工学 雷达影像 释 shadow 阴影 一个坡面背向雷达的照射方向，雷达信号无法到达该坡面及其相关区域，在雷达影像上相应的成像区域的信号为零的现象。
umbra 本影†，阴影[区]
计算机应用 计算机辅助设计与图形学 释文 shadow 阴影
- hot R Coronae Borealis star
- hot redundance system
- hot relic particle
- hot rolled section steel
- hot rolled steel bar for concrete reinforcement
- hot run
- hot run; hot test
- hot-set
- hot shoe adapter
- hot shortness
- hot shortness, red shortness
- hot shutdown
- hot site
- hot smoking
- hot spare disk
- hot spot
- hot spot dynamics
- hot spring
- Hot Spring Canal
- hot spring landscape
- hot springs
- hot-spring snake
- Hot Springs National Park
- hot-stage polarized optical microscope
- hot stamping