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
- test of parallels
- test of parameters in normal distribution
- Test of Practical Chinese
- test of randomness
- test of significance
- test of similarity
- test of special relativity
- test of statistical hypothesis
- test of supportability design characteristic for aircraft materiel
- test of symmetry
- test of the random number
- test of the significance of difference
- test of trend
- test of validity
- test of variances
- testoid
- test on foundation improvement
- test on technical performance of ore dressing and smelting
- testosterone
- testosterone-estradiol binding globulin
- Testour Constitutional Movement
- test paper
- test-paper
- test paper of the imperial examination
- test particle