掷铁饼

The great-grandmother is also a keen hammer and javelin thrower and believes other pensioners should follow her example.

这位曾祖母还热衷于扔铁饼和掷标枪，她认为其他的退休老人应该向她学习。

Competes in five track and field events, usually sprinting, hurdling, long jumping, and discus and javelin throwing.

将在五种田赛和径赛项目展开角逐，常包括速跑、跨栏、跳远、铁饼和掷标枪

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。