Lines 10, 11, and 12 declare the parameters: revenue, cost, and lab hours.

第10、11和12行声明了几个参数：收入、成本和劳动时间。

youdao

I I don't rememnber exactly what the lab hours are. But they are posted on the door.

我记不清楚实验室的开门时间。但时间表是贴在门上的。 A。

youdao

She sat in the Spanish lab for hours, trying to acquire the accent of a native speaker.

她在西班牙语研究所里坐了好几个小时，试着学习以西班牙语为母语的人的口音。

《柯林斯英汉双解大词典》

So in sections where you have the opportunity to work in smaller environments with one of the teaching fellows, in office hours we have an opportunity to work one on one, hands-on in the computer lab or else we're on campus and really get personalized attention when it comes to diving into these problems.

因此在分组后,你们有机会与教员们一起在小房间里工作，在上机时间内我们有机会一对一授课，在实验室内亲身实践,不然的话我们在校园里探讨问题,会被很多人围观的。

哈佛公开课 - 计算机科学课程节选

I used to... you know, I lived and worked out of Sloane Lab up on the hill and it was easy to have office hours before or after class but now you have to make a special trip.

我以前...,我以前的工作和住的地方都是斯隆实验室外的,小山上,那时的开放时间设在课前或课后对我来说都很方便,但是现在你们就得费点儿周折了

耶鲁公开课 - 基础物理课程节选

She would have supposed that after a day presumably spent at the lab and several hours at the co-op Anton would be dazed with exhaustion.

NEWYORKER: Pumpkin Head

In Mr. Frampton's lab, technicians spent several hours this past week rubbing the branches and weighing needle loss from hundreds of Fraser fir samples, to weed out non-needle-holding family lines.

WSJ: Fir Real? Christmas Trees in Crisis as Americans Flock to Fakes

Adult stem cells would be isolated in the lab over the next few hours, and then the patient would come back in the afternoon and get an injection of his own purified stem cells into the eye.

FORBES: Pfizer Eyes New Use For Stem Cells