They're all in the Himalayan and Karakoram ranges spanning China, Pakistan, Nepal and India.

它们都位于喜马拉雅山脉和喀喇昆仑山脉，横跨中国、巴基斯坦、尼泊尔和印度。

Acoustics: The cello exhibits a profound acoustic range, spanning over four octaves.

3.声学：大提琴表现出深远的声学范围，跨越四个八度音阶。