What is the relationship between charcoal drawing concept and our practical teaching?

素描的概念与我们的教学实践又有那些关系？

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Color Picker is an innovative design of a concept pen that can scan colors from anything around and instantly use the color for drawing.

采色笔是一项神奇的设计，这支概念笔能够从任何地方采集任何颜色，并能立即将采集到的颜色用以绘画。

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The concept, drawing from evolution, espouses the philosophy of survival of the fittest.

从进化角度来看，这一概念奉行“适者生存”的哲学。

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The Portsmouth University researcher is part of the Euclid team and one of the few Europeans involved in drawing up the WFirst concept.

BBC: Dark discussion ahead for Europe and US

They certainly have the concept on the drawing board - it's called the Wide-Field Infrared Survey Telescope, or WFirst.

BBC: Dark discussion ahead for Europe and US

"That is my favorite part of the process having a good concept come alive on my drawing board!"

WSJ: Brian Kane, Furniture Designer | Creating