Is the referencedrawing mentioned and shown correctly?
参考图的表述是正确的吗?
2
To model the ground with the correct heights we used the level curves drawn in the referencedrawing.
为了给地面模型设置合适的高度,我们使用从参考图提取的等位曲线。
3
It's good to use a reference for the shape, such as drawing an ellipse within which the fire will remain and you can send the flames up to any of the edges of this ellipse.