它有始于中音以下三个八度音阶的深度范围。
It has a deep range beginning about three octaves below middle c.
探讨了深部条带开采的定义以及合理的开采深度范围。
The definition of deep strip mining and reasonable mining depth are discussed and determined.
此外，还提出了表示这一深度范围的共混物形态结构模型。
In addition, models are presented for the morphology of the blends of this depth.
应用推荐