scatter啥意思？

Oxygenation is impaired by these changes, with wider scatter of ventilation/perfusion (V˙/Q˙ ) ratios along with increased alveolar dead space and pulmonary shunt.

这些变化损害了氧合作用，伴随着通气/灌注(v/q)比的更广泛分散以及肺泡死腔和肺分流的增加。