用力地放下

Holding her head up , letting her arms hang lifelessly as dancers do , Natasha , with a vigorous turn from her heel on to her toe , walked over to the middle of the room and stood still .

像舞蹈家一样，娜塔莎稍微抬起头，放下她那双呆板地悬着的手，她用力地把重心从后跟换到脚尖上，在房间中央走了一圈，就停下来。

Makar Alexyevitch, frowning with effort, succeeded in keeping the pistol, and was shouting in a husky voice, evidently imagining some heroic scene.

给我们个面子，请放下吧，请吧，老爷……"格拉西姆说，小心地抓住马卡尔·阿列克谢维奇的胳膊，用力向房门口推他。"

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。