它可以做到省时、快速、方便、成本低，而且便于实现显示彩色速度剖面。

The successive velocity spectrum is easy to make, therefore it can save time and money.

youdao

它可以做到省时、快速、方便、成本低，而且便于实现显示彩色速度剖面。

The successive velocity spectrum is easy to make, therefore it can save time and money.

youdao