In order for a gyrocompass to be accurate it is obviously necessary to hold spurious vertical torques to an extremely low level.

为了使陀螺罗盘做得准确，很明显有必要使垂直轴干扰力矩减小到很低。

youdao

To see if you'd like to change its proportions, hold your hands out in front of you and try cropping this as a vertical.

如果你愿意改变它的比例，伸出手在你面前，试着把它裁成竖格式。

youdao

These fishes are soon able to hold themselves in a vertical position.

这些鱼类不久便能保持直立的姿式。

youdao

There are a couple of related key features here: first we have the zoom bar in the album app -- you hold down your finger to prompt the bar, and then you can zoom in and out with your vertical scrolling action.

ENGADGET: Sony Ericsson Xperia X10 Mini / Mini Pro review