White tracing paper should be used on fabric.
把白色的描图纸放在面料上。
Remove tracing paper to find exact copy of original draft.
移开复描纸，就可以看到与原图一模一样的复版。
Shewould go to the museum and I would sit at my table with tracing paper.
我的妻子来陪我，她会去博物馆，我就坐在桌边画图纸。
But for this Art Attack you just need ordinary watercolour paints and tracing paper!
但是在本节目中，你只需要普通的水彩颜料和描图纸就可以了！
Maintain an effective tracing system for files and paper work.
维持一个有效的跟踪档案和文件的工作体系。
In this paper, there are two aspects to accelerate ray tracing: software and hardware.
本文从软件和硬件两个方面对光线追踪进行加速研究。
In this paper, there are two aspects to accelerate ray tracing: software and hardware.
本文从软件和硬件两个方面对光线追踪进行加速研究。
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