Acquiring the fundamentals of drawing enables you to grow as an artist consistently improving and strengthening your drawings and paintings rather than lurching from crisis to crisis.
获得绘画的基本原理，使你成长，作为一个艺术家，不断改进和加强你的素描和油画，而不是从危机到危机蹒跚。
The characteristics and fundamentals of ore drawing control in block caving method are described and computer-based production scheduling for this mining method is studied in the paper.
本文阐述了自然崩落法放矿的特点及其放矿管理的基本原理，探讨了应用计算机进行自然崩落法排产的基本方法。
The characteristics and fundamentals of ore drawing control in block caving method are described and computer-based production scheduling for this mining method is studied in the paper.
本文阐述了自然崩落法放矿的特点及其放矿管理的基本原理，探讨了应用计算机进行自然崩落法排产的基本方法。
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