Fourth gear

Install the sensors in the test points, with in neutral and fourth gear cases, in the low-speed medium-speed and high-speed of the engine, speed signal are collected on the test points.

在测试点上安装瞬时转速传感器，在空档和四档两种情况，分别对发动机低速、中速和高速6种工况下，采集3个测点的瞬时转速信号。

Ever find yourself in fourth gear when you thought you were in sixth?

你是否曾经以为自己挂的是六档，后来才发现挂了四档？

I was driving along in fourth gear.

我一直用第四挡开车。

Wire draw in drived by Z4 direct current or the frequency conversion motor, equip with the fourth speed gear speed changing, and the friction clutch, be able to adapt the different craft speed;

收线采用Z4直流电机或变频电机驱动，配有四档齿轮变速，并设有摩擦离合器，能满足不同工艺速度使用；

The car was in fourth gear.

车挂的是四挡。

Pedro Barbosa, a partner at Rio de Janeiro-based hedge fund STK Capital, said the measures are akin to driving a car up a hill and then shifting into fourth gear.

位于里约热内卢的对冲基金STK Capital的合伙人巴尔博萨（Pedro Barbosa）称，这些措施就好像开车上山，然后把车速提到四档。

The car was in fourth gear

车挂的是四挡。

At forty miles an hour youshould be in fourth gear.

时速40英里的时候，你应该挂4挡。

This is gear knob: neutral gear, first gear, second gear, third gear, fourth gear, fifth gear, retreat gear.

这是变速杆手球：空档；一挡；二挡；三挡；四挡；五挡；倒挡；