过去，第二副首相都被看成是王位的第二顺位继承人。

In the past, second deputy prime ministers have been considered second in line to the throne.

第一副像素的阈值信号电压比第二副像素的阈值信号电压低。

The first sub pixel has a threshold value signal voltage lower than that of the second sub pixel.

第二副图中的司机在这场“灾难”中都睡着了。

Drivers in the second picture even fall asleep when trapped in this “disaster”.

第二副图片是同一张桌子，如今是由他的新助理占用。

This next picture is the same desk, now occupied by his new assistant.

通过锥蜗杆传动副的啮合分析，用当量圆柱蜗杆副的分析方法，得出阿基米德锥蜗杆副的装配条件。

This paper makes a meshing analysis about the spiroid gearing. Using the method of equivalent worm gearing, the assembly condition of Archimedes spiroid gears has been obtained.