In the meantime, it is helpful in teaching reform of Engineering Drawing.
同时，对工程制图课的教学改革也有一定的借鉴意义。
The proposed method is also helpful for similar drawing of mechanic path.
此方法亦可为类似的机构轨迹作图提供参考。
Artistic and drawing ability is very helpful in doing this.
艺术和绘画能力将有助于这一点。
Artistic and drawing ability is very helpful in doing this.
艺术和绘画能力将有助于这一点。
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