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- spectral centroid of light 光的光谱重心
- The results show that the spectral centroid of the backscatterer signals is dowushifted to lower frequency with increase of the apparent density of cancellous bone. 分析结果表明。随松质骨表观密度的增大，背散射信号频谱的质心向低频方向移动；
- Detecting and calculating accuracy of centroid of light spot is an important factor which affects the detecting accuracy of Hartmann wavefront sensor. 子孔径光斑的形心探测和计算精度是影响哈特曼传感器波像差探测精度的重要因素,而探测窗口的选取对探测误差的影响很大。
- The paper got a conclusion that the position of facula determined by the amplitude method is just the centroid of light spot via the research of the amplitude method. 通过对幅度定位法的研究，得出了由幅度法确定的光斑位置是光斑的等效光强重心这一结论；
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The plant was starved of light and died. 这株植物因为极度缺乏光照而死了。
- Do you agree to the wave theory of light? 你同意光的波动理论吗？
- The trees outside the windows deprive the house of light. 窗外的树木把房子遮挡得暗然无光。
- An organ of vision or of light sensitivity. 眼睛感受视觉或光觉的器官
- We saw a spark of light through the trees. 我们透过树丛看到闪光。
- A self-adaptive feature extraction method based on power spectral centroid is proposed. 摘要提出一种基于功率谱重心的自适应特征信息提取方法。
- The new building was a blaze of light. 那幢新大楼一片灯光。
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- Abstract: The spectral centroid shift （SCS） of ultrasonic backscattering signals is introduced to assess cancellous bones. 文章摘要: 采用超声背散射信号的质心偏移量来评价松质骨。
- Clouds cause the diffusion of light from the sun. 云使阳光漫射。
- The speed of light is an important constant. 光速是一个重要的常数。
- A rapid series of light, tapping sounds. 劈劈啪啪声，卜卜声一系列快速的、连续的轻拍声
- An abnormal or irrational fear of light. 恐光症，光恐怖对光线不正常或不合情理的畏惧
