这两幅是棕色墨水绘制的素描，画中黑豹行动敏捷、剽悍有力。
These brown - ink sketches, probably of panthers, were done quickly and pack a punch.
附图应当用制图工具和黑色墨水绘制，线条应当均匀清晰，并不得涂改。
The appended drawings shall be made in black ink with the aid of drafting instruments. The lines shall be uniformly thick and well-defined, and shall not be altered.
附图应当用制图工具和黑色墨水绘制，线条应当均匀清晰，并不得涂改。
The appended drawings shall be made in black ink with the aid of drafting instruments. The lines shall be uniformly thick and well-defined, and shall not be altered.
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