什么的横切面图?。

The cross section of a vot?

按照标准操作规范，颈动脉超声包括颈总动脉、颈动脉杈及近端颈内动脉的两维(纵切面和横切面)图像。

Carotid ultrasound was by a standard protocol that consisted of two images at the common carotid, bifurcation, and proximal internal carotid arteries.