It's all dictated by the level of background noise in their listening environment.

这些设置都取决于他们收听环境中的背景噪音水平。

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Liu Hong, tutor of Harbin Institute of Technology said, "it's a crowded environment, and the sensors in the robots are very sensitive to light and background noise."

哈尔滨工业大学的导师刘宏表示：“这是一个拥挤的环境，机器人身上的灵敏元件对光和背景噪音都非常敏感。”

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Many Australians feel a strong connection to the land, regardless of their background, and in recent years, the fragile state of the environment has emerged as a universal equalizer.

很多澳大利亚人感觉到与大地有一种很强的联系，不管他们是什么背景的人，而且近年来，环境的脆弱已经作为一种世界各地都有的问题而逐渐浮现出来。

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So generally and those of you coming from high school computer science background probably used An Integrated Development Environment which actually is a gooey with menus and icons and such.

对于你们这些,有着高中电脑知识背景的同学可能一般用,即“集成开发环境“,它有一些菜单，图标等等。

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"We did lot of work on creating a completely digital environment - the entire field, the forest in the background is completely digital - and on digital doubles, digital replacements for humans, " she said.

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