当我们考虑这些蝙蝠的夜间生活方式时，我们会发现，它们必须对不断变化的光线水平保持敏感，因为这是它们感知何时开始狩猎的方式。
When we consider the nightly lifestyle of these bats, we will see they have to be sensitive to the changing light levels because this is how they sense when to start hunting.
各家公司对于恢复以前的雇工水平保持谨慎。
Companies remain cautious about hiring at the levels they once did.
在很多国家，一般真实工资水平保持不变甚至还有所下降。
In many countries average real wages are flat or even falling.
该图表显示，…开始稳步上升，最高达到…，并在…水平保持平稳。
The graph shows that... started climbing steadily, peaking at..., and flattened out at a level of...
他们发现在急性和慢性特异性HIV感染者中细菌产物的水平保持攀升，免疫系统基本上被摧毁。
They found that the level of the bacterial products kept climbing in people with acute and particularly people with chronic HIV, where the immune system has essentially been wiped out.
美国10月份零售价格水平涨幅低于预期，除了波动剧烈的食品和能源价格外，物价水平保持不变。
Prices at the retail level rose less than expected last month, and were unchanged when volatile food and energy prices were stripped out.
如果对于欧洲和美国经济增长的货币相对比率保持稳定，欧元兑美元1.3758的汇率水平保持不变。
Euro currency at 1.3758 to the USD, and is certainly sustainable given the relative ratios of monetary pumping to economic growth between Europe and the US.
中国需要大幅度提高其能源利用效率并使用可替代能源才能使其温室气体水平保持不变，更不用说减少温室气体了。
China will need to dramatically increase its efficiency and utilize alternative energy sources to even hold its greenhouse levels constant, let alone reduce them.
的确，在所有的音乐和歌唱的测试期间对于这个系统的整体赋色和听觉疲劳水平保持非常的低，还有对卓越的变频器设计参数的测试结果。
Indeed, the levels of overall coloration and listening fatigue for this system during all musical and vocal tests remained extremely low, and testament to the excellent transducer design parameters.
最近这次加薪目的是使工资与通货膨胀保持相同的水平。
This latest rise is intended to keep wages level with inflation.
该公司同意保持高产出水平以补偿损失掉的供应品。
The company agreed to keep up high levels of output in order to compensate for supplies lost.
我们几年来的确保持最低水平的通货膨胀。
保持安全速度和电力驱动的自动驾驶汽车将大幅降低污染水平，减轻对不可再生燃料的依赖。
Maintaining safe speeds and being electric, self-driving cars would drastically reduce pollution levels and dependency on non-renewable fuels.
如果玻璃保持足够的温度，它就会在熔化的锡中流动，直到顶部表面也变得平整、水平，与底部表面完全平行。
If the glass were kept hot enough, it would flow over the molten tin until the top surface was also flat, horizontal and perfectly parallel to the bottom surface.
我们努力把开支保持在尽可能低的水平。
人们认为如果气温上升，降雨量将保持在同一水平。
It's believed that rainfall will stay at the same level if the temperature rises.
飞机在1 500英尺的高空保持水平飞行。
挪威能否在保持其生活水平的同时，将其碳排放削减到摩洛哥的水平，甚至埃塞俄比亚的水平呢？
Could Norway keep its standard of living and yet cut its emissions to Moroccan or even Ethiopian levels?
塞曼发现，情绪上感到孤独的老年人即使在睡觉时也会保持较高的应激激素水平。
Seeman found that elderly people who felt emotionally isolated maintained higher levels of stress hormones even when asleep.
这些激素长期保持高水平与心脏病有关。
Chronically high levels of these hormones have been linked to heart disease.
要想在保持高水平表现的同时把比赛进行到底，运动员需要非常健康的身体。
To see a game through to the final whistle while maintaining high performance, a player needs to be as fit as a fiddle.
语言运用可能无法始终保持在同一水平。
Speech may not be sustained at a consistent level throughout.
化石燃料价格可能会“长期保持较低水平”。
20世纪90年代初，医学院的数量达到了18所，此后一直保持在这个水平。
The number of medical schools reached 18 in the early 1990s and has remained around that level since.
类似地，根据研究人员的说法，每天只听30分钟的轻音乐可能有助于降低压力和焦虑，从而保持健康的血糖水平。
Similarly, according to researchers, listening to just 30 minutes of soft music every day may help with healthy blood sugar levels, through the lowering of stress and anxiety.
作为一个伟大的翻译家，许先生依然每天保持长时间工作，努力提高自己的翻译水平，以确保翻译的准确性和美感。
As a great translator, Xu still works for long hours every day and tries to improve his translations to make sure they are correct and beautiful.
现在你已经知道了你的健康水平，保持跟踪你的健身进度。
Now that you know your fitness level, keep track of your progress.
希望我们能保持自身的水平。
但最新的研究指出：事实上控制夜间的血压水平对保持全心的健康更为重要。
But recent research suggests it might actually be nighttime blood pressure levels that are more important for overall heart health.
但最新的研究指出：事实上控制夜间的血压水平对保持全心的健康更为重要。
But recent research suggests it might actually be nighttime blood pressure levels that are more important for overall heart health.
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