B And mu B in the liquid phase B has to be equal to mu B in the gas phase. S o four minus two constraints means you have two degrees of freedom.

液相的μ,必须等于气相的μ,所以四减去二意味着,你有两个自由度。

youdao

We have tea at four o 'clock in the afternoon.

我们在下午四点钟喝茶。

youdao

The tilbury and the horse will be in front of my door to-morrow morning at half-past four o 'clock.

这小车和马在明天早晨四点半钟一定要在我的门口等。

youdao

She was nineteen. Those who knew Ida Tarbell in college say she would wake up at four o'clock in the morning to study.

VOA: special.2010.04.25

When I had made an end of these labors, it was four o'clock in the morning.

VOA: special.2009.05.16

It was four o'clock in the afternoon when Paul woke up.

VOA: special.2009.04.11

We estimate that wages and salaries rose 7.8% y-o-y in the past four weeks, exceeding the growth rate of 6.4% y-o-y in the past three months even though year-over-year comparisons are getting tougher.

FORBES: Analyst: Signs Point To Lower Unemployment

It was four o'clock in the afternoon and the kitchen was square and gray and quiet.

NPR: Excerpt: 'The Member of the Wedding'

Then, at four o'clock in the afternoon, twenty-four hours after the mortar fell on his friends and neighbors while they waited to buy bread, he will bend down and pick up his bow.

NPR: Excerpt: 'The Cellist Of Sarajevo'