He would project a photograph onto the canvas or paper and then trace the image.
他曾计划将照片转到帆布和纸上,然后完成影像的绘制。
First, trace your hand on a white piece of paper.
首先,在一张白纸上描出您的手。
The separation and enrichment of trace tin and trace germanium was researched in this paper.
本文主要阐述的是微量锡与微量锗分离与富集的研究。
Museum of Handcraft Paper, Gaoligong Mountain, China / Trace Architecture Office.
手工造纸博物馆,中国,高黎贡山/跟踪建筑事务所。
This paper studies the analysis method of trace iron.
对痕量铁分析方法进行了研究。
This paper studies the analysis method of trace iron.
对痕量铁分析方法进行了研究。
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