当钻头上下钻时，要把钻孔保持在中心。
Keep the drill centred in the borehole while it ascends and descends.
身体感到热，可体温保持在升高后的新高度上差不多稳定不变。
The body feels hot and the temperature remains more or less constant at the new elevated level.
不需要蒸汽时，液体保持在熔点以上，需要蒸汽时液体才能变成固体，释放其储存的能量。
The liquid is maintained above its melting point until steam is required, at which point the liquid is allowed to turn back into a solid, releasing its stored energy.
为了保持在水中不至于沉底，尾部的顶端比底端向后延伸，沿着后端形成一个斜面，产生提力。
To help generate lift to keep midwater, the top of the tail extends farther back than the bottom, creating a slant along the back edge.
这里采用的另一种选择是将所有的制表页保持在一行，但是提供箭头按钮来实现沿着行的滚动。
The alternative used here is to keep all the tabs on one row, but provide arrow buttons to scroll along the row.
全球对玉米需求的不断增长导致了玉米市场价格的急剧上涨，而玉米价格很可能继续保持在高位。
Escalating worldwide demand for corn has led to a sharp increase in the market price of corn, and corn prices are likely to remain high.
这大约是一个物体从赤道沿轨道垂直向上运行的高度，这样它就可以一直保持在地球同一地点的正上方。
That's about how high an object would have to be orbiting straight up from the equator to constantly remain directly above the exact same spot on the rotating planet Earth.
西方农民满怀信心地借了钱，他们期待经济扩张会使农产品价格保持在高位，因此在贷款到期时很容易偿还。
Western Farmers borrowed with the confident expectation that the expanding economy would keep farm prices high, thus making it easy to repay loans when they fell due.
结果，飞机均被保持在等待航线状态，有时相隔三四英里，直至它们得到降落指示。
As a result, planes were kept in a holding pattern, sometimes three or four miles apart, until they were cleared to land.
我们厚厚的毛和脂肪使我们的体温保持在40摄氏度。我们可以保持温暖！
Our thick fur and fat keep our body temperature at 40°C. We can stay warm!
科学家发现，在5岁到7岁之间，孩子们的记忆量保持在63%至72%之间。
The scientists found that between the ages of 5 and 7,the amount of memories that the children could remember remained between 63%-72%.
然而，票房收入仍保持在10美元左右。
另一组学生的肉食购买率则保持在52%不变。
原因当然是成本飞涨，而票价一直保持在低位。
The reason, of course, is that costs have rocketed and ticket prices have stayed low.
当车轮转动时，贡多拉通过一个简单的传动系统保持在垂直位置。
As the wheel rotates, the gondolas are kept in the upright position by a simple gearing system.
失业率是9.6%，保持在顶峰。
目的在于双肩保持在和左图相同的位置上。
Aim to keep your shoulders in the same position as shown in the image on the left.
只有德国、俄罗斯和美国保持在100之上。
Only Germany, Russia and the United States kept readings above 100.
踝、膝盖及髋保持在一条直线上。
在信仰的战场上，他把生命保持在冲锋的姿态。
In the belief battlefield, he maintains at the life the charge posture.
上海的GDP一直保持在10%以上。
The GDP (General Development Product) of Shanghai remains higher than 10%.
与历史标准相比，失业率保持在5.5%的低位。
The unemployment rate still remains low by historical standards, at 5.5 percent.
摩根·士丹利将增幅估计保持在8.2%。
中国西部水泥的市盈率一直保持在5倍左右。
West China Cement has been trading on a prospective earnings multiple of about 5.
平台保持在赛格威所形容的“动态稳定”状态。
The platform is kept in what Segway describes as a "dynamically stabilised" state.
我们试着让我们的内容保持在某部老卡通的水平。
We try to keep our content at the same level of one of these old cartoons.
它的人口正在减少，而贫困率保持在30%左右。
Its population is shrinking and its poverty rate hovers around 30%.
2009年之前，我们的收入增长保持在两位数。
In 2009 and before, our revenues were increasing in the double digits.
2009年之前，我们的收入增长保持在两位数。
In 2009 and before, our revenues were increasing in the double digits.
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