non-negative
常见例句
- There are two kinds of electric charge, positive and negative.
电荷有两种，正的和负的。 - Buried hills of crystalline rock, saltdomes and similar units will show up as positive or as negative anomalies.
埋藏的结晶岩山丘，盐穹窿及其相似的地质单元将显示出正的或负的磁异常。 返回 non-negative