First, this paper introduces three basic worms propagation models and analyzes four situations after the introduction of benign worm.

首先介绍三个基本的蠕虫传播模型，分析了引入良性蠕虫后的四种情况。

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This paper presents a calculating method for the edge of a new hob with straight groove and zero rake Angle. The original section edge of the said hob is on the surface of basic worm.

本文提出了对直槽零前角滚刀，原始截面刃形在基本蜗杆齿面上，其新滚刀刃形的计算方法。

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It will help researchers learn how basic neural circuits work together in sensing and responding to the environment, such as when a worm smells food and crawls toward it.

能帮助研究者了解基本神经回路如何产生感觉及对环境作出回应的，例如什么时候蠕虫发现事物并爬向事物。

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Subsequent investigation of the virus showed that it was written using a virus toolkit by the name of the Visual Basic Worm Generator that is widely available on the internet.

BBC: Anna Kournikova