Inside the box, bronze gears would have rotated the displays.
在盒子里，青铜齿轮转动着显示屏。
For instance, he must determine if the problem is with the gears, the brakes, or the frame.
例如，他必须要确定问题是否出在齿轮、制动器或车架上。
The mechanism had corroded underwater, and many of the gears were stuck together in a mass.
机器在水下已经被腐蚀，许多齿轮都粘成一团。
The measuring instrument can measure addendum circle and dedendum circle diameter of odd-tooth gears.
这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。
The Antikythera Mechanism is a relatively small device, roughly the size of a shoebox, made of gears fitted inside a wooden case.
安提基西拉是一个小型机械装置，是一个内部装有齿轮的木箱，和鞋盒差不多大。
We could only get a good look at the structure of the gears after gamma-rays were used to see inside, very similar to the way X-rays are used to see your bones.
我们只有在用伽玛射线观察内部之后才能很好地了解齿轮的结构，这和用X 射线看你的骨头非常相似。
On hills, he must use low gears.
在山上，他必须用低速挡。
Peter drove jerkily, cornering too fast and fumbling the gears.
彼得开车很不平稳，转弯太快，换档也不熟练。
Careless use of the clutch may damage the gears.
离合器使用不慎可能会损坏传动装置。
It needs to, you know, shift gears a little.
你知道，它需要稍微换挡。
He ground the gears on the car.
他把汽车排挡踩得嘎嘎作响。
The bulk of the research shows that there may be a pause, or a shifting of gears in the 40s or 50s, but this shift "can be exciting, rather than terrifying".
研究主要表明，人在40多岁或50多岁时可能会有个停滞时期，或转变阶段，但是这种转变“会让人感到兴奋而非恐惧”。
我想转移一下话题。
Look, for example, at the teeth on the gears.
比如，请观察齿轮上的锯齿。
New ideas get your mental gears turning and can build motivation.
新观念可以启动你的思维，从而产生动力。
She caught her lip in her teeth, and her mind seemed to change gears.
她用牙齿咬住了嘴唇，她的思绪似乎换了档。
A bit of sand in the gears will also remind investors not to ignore valuations.
齿轮中漏入少许沙粒，也会提醒投资者，不要忽略估值。
So you have the gears sorted, but what should you do at the bottom of the hill?
档位问题解决了，但是来到山脚下首先应该做什么呢？
The control systems inside machines used to be physical: gears and levers and cams.
在过去，机器内部的一整套控制系统是由硬件组成的：传动装置，杠杆和凸轮。
"It's a variable-pitch propeller, which is like having gears on a bike," Land says.
“这是一个变距螺旋桨，就像在自行车上安齿轮一样，”兰德说。
"If we fail to act, the gears of our economy will grind to a halt," said John McCain.
如果我们不采取行动，我们经济的齿轮将停止转动。
Chapter 9 shifts gears and focuses on using services to build enterprise solutions.
第9章转而介绍了如何使用服务来构建企业解决方案。
When progress stalls, step back, assess the reasons, shift gears, and accelerate action.
当进展陷入僵局时，退一步，审视理由，改变方向，然后加速行动。
The country focus policy gears WHO's operations to the needs of Member States at country level.
国家重点政策根据会员国在国家级的需求调整世卫组织的行动。
The WHO chief then switched gears and presented a list of, what she called, qualified good news.
陈冯富珍后来转换了话题，提到一系列她称之为“够格的好消息”。
For example, the section on gears explained gearing ratios and how the different types of gears worked.
举例来说，关于齿轮的小节阐述了啮合比率，以及不同类型的齿轮如何工作。
In the meantime, L.A. Times reported that a representative wanted to clarify Google's position on gears.
与此同时，L.A. Times报道说Google一位发言人澄清了Google对Gears的立场。
Let me just switch gears completely and switch to today's topic, which is line integrals and work in 3D.
我们换一个话题,开始今天的内容，线积分和3维空间中的“功”
For instance, in a device with two gears, if one gear is twice the size of the other, the ratio would be 2:1.
例如，两个齿轮的传动机构中，如果一齿轮的尺寸是另一齿轮的两倍，那么传动比就是2：1。
For instance, in a device with two gears, if one gear is twice the size of the other, the ratio would be 2:1.
例如，两个齿轮的传动机构中，如果一齿轮的尺寸是另一齿轮的两倍，那么传动比就是2：1。
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