The flow conservation law of belt drive is introduced and the conclusion that the tension difference between the tighten belt and the looser leads to speed difference is proved.
介绍了皮带流量守恒定律，根据此定律论证了皮带松紧边拉力差导致速度差这一结论。
Clearly, if you are spending more than your income, you'll need to tighten your belt.
很显然，如果你现在花钱就入不敷出，以后就不得不勒紧腰带了。
While the rest of Europe is forced to tighten its belt, Germany appears to be coasting through the crisis.
在欧洲其他国家被迫勒紧腰带的时候，德国在危机中似乎是毫发无损。
With this situation the best way to stay out of the crosshairs of the problem is to tighten your financial belt and watch expenses.
在这种情况下，避开麻烦的最好办法是捂紧腰包，谨慎消费。
When junk food beckons, tighten your belt a notch.
当垃圾食品向你招手，收紧腰带。
The sites can even create a sample budget for you, but remember: The goal is to tighten your belt, not maintain the status quo.
这些网站甚至可以为你提供一个标准的预算。但记住：记录花费的目的是为了减少开支，不是维持现状。
Interest rates on sovereign debt soar (see chart below) when the trust in the sanctity of that debt, and the country's ability to tighten their belt while growing out of it, plummet.
人们对于此类债券以及国家缩减开支并取得经济增长的信心跌至谷底，主权债券利率飙升(见下图)。
Whether you're trying to tighten your belt or accelerate your retirement savings, you won't find a much better analytical tool on the Web than Mint.com.
不论你是想要系紧皮带还是加快退休金的收入，那你找不到一个比Mint.com更好的分析网站了。
You can only tighten your belt so much. Physicist Daniel Kammen at the University of California, Berkeley, says there just isn't much incentive for rich countries to do that anyway.
丹尼尔·卡门，加利福尼亚大学伯克利分校的一位物理学家，认为对于发达国家没有太多的刺激使得他们要想尽办法来这样做。
Work hard, hunker down, tighten your belt, and a better life.
努力工作、盘腿坐下、勒紧腰带、和改善生活。
In these days of dieting and weight watching, most people would love to be able to tighten their belt after losing a few kilograms.
在节食及控制体重的时候，大多数人都喜欢在减少几千克体重时勒紧裤腰带。
Install belt buckle and tighten with the fastening screw.
安装安全带扣并用紧固螺钉固定。
Paddy: There's only one way out of this. You're going to have to change your lifestyle, tighten your belt and keep tightening it.
帕迪：这种情形，只有一种出路。你必须要改变你的生活方式，节衣缩食，并且这样继续下去。
We recently had to tighten our belt.
最近我们不得不勒紧裤腰带过日子。
The country's crisis was so grave that even the theatre would tighten its belt.
国家的经济危机严重，甚至剧场也不得不紧缩开支。
Work hard, hunker down, tighten your belt, and make a better life.
努力工作、盘腿坐下、勒紧腰带、和改善生活。
I have to tighten my belt this month.
这个月我要勒紧裤腰带过日子了。
I have to tighten my belt this month!
这个月我不得不勒紧裤带过日子！
I have to tighten my belt this month.
这个月我不得不勒紧裤腰带过日子。
One thing is for sure. We'll have to learn to tighten our belt.
有一点是肯定的，我们得学会省吃俭用了。
I have to tighten my belt this week.
这个星期我不得不勒紧裤腰带过日子。
Install the serpentine drive belt and tighten to obtain the specified tension.
安装蛇形驱动带，拧紧到规定的张力。
This lowered interest rates in Portugal, Ireland, Greece, Italy and Spain and generated housing bubbles - at the same time as Germany had to tighten its belt to cope with the costs of reunification.
这一点使得葡萄牙，爱尔兰，希腊，意大利和西班牙的利率降低，并滋长了房市的泡沫。而此这同时，德国不得不紧缩银根以对付东西合并所带来的开销。
I must tighten my belt, because it's difficult to get money in financial crisis.
我必须紧缩开支，因为金融危机下挣钱很困难。（若有错误请斧正）
Push your weight into the child seat as you tighten the seat belt to make sure the child seat is securely held.
儿童座椅推入你的体重，你收紧安全带，以确保儿童座椅安全地举行。
The country's crisis, he added, was so grave that even the theatre and the ballet company would have to tighten its belt.
国家处于非常严重的危机，甚至连剧院和芭蕾舞剧团也得节衣缩食。
The country's crisis, he added, was so grave that even the theatre and the ballet company would have to tighten its belt.
国家处于非常严重的危机，甚至连剧院和芭蕾舞剧团也得节衣缩食。
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