有阴影

I did. and a mental block was built in my mind: that higher grade theory is difficult, that it is almost impossible for me to complete my grade 8 theory.

我做了，结果失败，还在脑海中有一个阴影：高及乐理是很难的，我是不可能完成第八级的乐理的。

A fundamental difference between shadow fields can be precomputed independent of scene configuration.

本文提供的技术与其它软阴影生成技术有一个根本的区别：预先计算与场景结构完全独立开来。

For Earth's eastern hemisphere, centering on India, there will be a very small partial lunar eclipse, with the moon just skimming Earth's shadow.

对于地球东半球的人们来说，以印度为中心，正好会有一次小小的月偏食，那时月亮刚好进入地球的阴影部分。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。