half-way line

Elliott crossed the finish line just half a second behind his adversary.

埃利奥特跨过终点线时仅比对手落后半秒钟。

There was a column directly in my line of sight, so I could only see half the stage.

有一根柱子正挡着我的视线，所以我只能看见舞台的一半。

Digital priced the new line at less than half the cost of comparable mainframes.

Digital公司新产品的定价比同类主机的一半还要低。

Digital priced the new line at less than half the cost of comparable mainframes

Digital公司新产品的定价比同类主机的一半还要低。

This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.

本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。