它像不像一个蚀刻素描?
Despite its fame, the Rubik's Cube has yet to be inducted into the National Toy Hall of fame, where other classic playthings such as the Slinky and the Etch-a-Sketch are enthroned.
尽管魔方声名远播,但它尚未入选美国国家玩具名人堂,而其他经典玩具如机灵鬼弹簧和神奇画板都已榜上有名。
Unlike the etch a Sketch, their technique did not involve scraping.
与蚀刻素描不同的是,他们的技术不需要刮擦。
But what they offer in clarity and readability, they lack in contrast: Their look is decidedly gray, like an etch a Sketch.
但是他们所提供的是清晰度和可读性,对比度则乏善可陈:其效果相当灰暗,就像蚀刻素描。
Not so with the nanoelectric Etch A Sketch, which can selectively erase the conducting lines it creates by applying negative voltage.
纳米电子蚀刻素描可以通过施加负电压,对画好的线路进行选择性清除。 他们的成果刊登在去年出版的《科学》杂志上。
Not so with the nanoelectric Etch A Sketch, which can selectively erase the conducting lines it creates by applying negative voltage.
纳米电子蚀刻素描可以通过施加负电压,对画好的线路进行选择性清除。 他们的成果刊登在去年出版的《科学》杂志上。
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