杀手

But Severus escaped the hands of those that Julianus had sent to murder him and sent a letter to the praetorian guard, giving them the signal either to desert Julianus or to kill him.

赛维鲁总算逃过了尤利阿努斯派来的杀手，并写了一封信给罗马的禁卫军，向他们发出信号，要么抛弃尤利阿努斯，要么干掉他。他们立即服从了。

Moscow's deputy mayor has been wounded in an apparent assassination attempt Iosif Ordzhonikidze was on his way to work when unknown assailants opened fire with assault rifles equipped with silencers.

莫斯科副市长奥兹霍尼奇兹周二再上班途中，遭到一名手持灭音枪的杀手袭击，子弹击碎他的车窗，奥兹霍尼奇兹虽然幸运逃过一死，但他的座车司机却不幸身亡。

But serial killers rarely change their M.O.

只不过连环杀手很少改变杀人手法

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。