In 1896, Henri Becquerel had inadvertently discovered radioactivity when he left some uranium ore in a drawer on top of an undeveloped photographic plate, on which the uranium left a "shadow."
1896年，贝克勒尔无意中发现了放射性物质，当他在一个抽屉里未显影的感光板上面留下一些铀矿后，感光板上留下了一个影子。
A shadow moire method and its results for measurement of distortion of aluminium plate at exploding charge is presented. Possible errors are also estimated.
本文介绍了用阴影云纹法测量爆炸载荷下铝板变形的方法及结果，并进行了误差讨论和静态标定。
In the midday, when the gnomon's shadow was cast over the stone plate, they could read the length of the shadow directly from the ruler.
正午时，表影投在石板上，古人就能直接读出表影的长度值。
An equatorial sundial is an ancient scientific equipment to tell time by using the shadow from solar projection. It consists of a sundial plate, a gnomon and a base.
赤道式日晷，是古人利用太阳投影测时的科学仪器，由晷盘、晷针和底座组成。
The next thing he found out was that if he put his hand between the rays and a photographic plate, the rays could print a shadow of a bony framework of his hand on the plate.
接下来他又发现，如果他把他的手放在这种射线和照相的底片之间，这种射线可以使他手的骨架在底片上形成一个影子。
The forth part discusses Wangcheng shadow play in terms of music in common mode, chiang plate and Music Plate.
第四章研究望城皮影戏的音乐，从常用调式、文武场面、音乐板式三方面来研究。
Grills are used in hall aisles for its shadow-free feature, the body of the fixture is made of specially thickened plate and the design of this product is overall more modern;
大厅走道里使用的是格栅灯盘，设计无暗影照明，灯体特制钢板加厚，产品整体更具立体感和现代感；
Grills are used in hall aisles for its shadow-free feature, the body of the fixture is made of specially thickened plate and the design of this product is overall more modern;
大厅走道里使用的是格栅灯盘，设计无暗影照明，灯体特制钢板加厚，产品整体更具立体感和现代感；
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