The temperature falls to - 30 degrees .
气温降至零下30度。
The temperature falls down below 30 degrees Celsius. It's so cool.
温度也爽快地降到了三十度以下，好不清凉。
The terminology of meteorology rises every time the temperature falls.
每当降温时，气象学术语的热度都随之升高。
It triggers an alarm if a tagged item's temperature falls beyond preset limits.
如果加标签的物品的温度超过预设的限制范围，它就会触发警报。
As they rise, Hemcrete dries out by absorbing energy; as the temperature falls, the reverse happens.
当温度升高时，Hemcrete通过吸收能量把自己变干；当温度降低时，相反的反应就会发生。
When the temperature falls, most people would prefer to sit at home and curl up with a cup of something hot.
当温度降低，大多数人们会想要待在家里，缩成一团喝杯热饮暖和身子。
When ambient temperature falls below the thermal neutral zone, isolated young cannot maintain high constant body temperatures.
当环境温度低于热中性区时，单独的个体不能维持较高的恒定体温。
The team discovered that brain temperature spikes in the run-up to a yawn, then starts to decline, and finally falls rapidly to pre-yawn temperature.
他们发现，马上要打哈欠的那一刻，脑部温度达到峰值，然后就开始下降，最后快速降到打哈欠以前的温度。
When the price of an asset falls as a result of speculative activity, the speculators are blamed. That's like blaming a thermometer for a fall in temperature.
当投机行为导致资产价格下跌，人们会归咎于投机者，这其实好比把降温归咎于温度计。
In an eclipse, the earth's shadow falls on the moon.then the moon's temperature may drop 300 degrees in a very short time.
在月食时，地球的阴影投射在月球上，这时月球的温度可以在瞬间下降300度。
If a door opens in the real world, so does its virtual equivalent. If the temperature in the room with the open door falls below a certain level, the digital world automatically turns on the heat.
如果在真实的世界开了一扇门，那么他在虚拟世界中成像出的“门”也会一起打开，如果随着开门，室内温度下降了一点，那么虚拟世界就会自动提高温度。
From the scientific perspective, the total of all these offers falls far short of what is required to keep the temperature rise below 2c and the catastrophic changes that could trigger.
从科学角度来看，所有这些承诺都远远达不到要求，无法限制气温上升小于2摄氏度、并防止其引发灾难性变化。
So, instead of maintaining the same temperature all day, which would waste a lot of our energy, our body temperature rises and falls in accordance to what is needed.
一整天维持同样的体温需要耗费大量的能量，因此，体温会按照需要不断的升降。
If the temperature in the room with the open door falls below a certain level, the digital world automatically turns on the heat.
如果在真实的世界开了一扇门，那么他在虚拟世界中成像出的“门”也会一起打开，如果随着开门，室内温度下降了一点，那么虚拟世界就会自动提高温度。
The temperature of the wick and the bulb falls below that of the air.
纱布与感温球的温度下降而低于空气的温度。
The speed of sound increases slightly with a rise in temperature and falls with a decrease in temperature .
温度的升高或降低对声音传播速度的变化并不产生明显的影响。
Worse schools could be located in more polluted neighbourhoods, and air quality falls in hot weather, so it could have been variation in schools or temperature that affected results.
也许越差的学校会坐落在污染越严重的地方，又因为天气热时空气质量会下降，所以可能是学校或是温度的不同影响了成绩。
The thermostat generates signals, usually electrical, to activate relays, valves, switches, and so on when the temperature rises above or falls Below the desired value.
恒温器包括继电器、阀门、电门等，当恒温器高于或低于所需的数值时，恒温器就发出信号，通常为电信号。
When an oil tank's temperature rises or falls, pressure or vacuum forms inside the tank.
当油舱内温度升高或下降，在舱内造成压力或真空状态。
In an eclipse, the earth's shadow falls on the moon. Then the moon's temperature may drop 300 DE GREes in a very short time.
在月食时，地球的阴影投射在月球上，这时月球的温度可以在瞬间下降300度。
The duration of dew formation and the amount of dew are estimated by predicting the time when the temperature of upper leaves falls below the dew point.
利用冠层温度下的饱和水汽压估算了玉米冠层顶部结露的持续时间和结露量。
The speed of sound increases slightly with a rise in temperature and falls with a decrease in temperature. It is not affected by the pressure of the air.
温度的升高或降低对声音传播速度的变化并不产生明显的影响。
Professor Jesus Martinez Frias, the geologist investigating the ice falls in Spain, told BBC News that the ice pieces had probably been 45 through sudden temperature drops in the stratosphere.
地质学家杰西．马丁内斯．弗里亚斯教授告诉英国广播公司新闻频道说，冰决很可能是由于大气中同温层温度突变造成的。
The speed of sound increases slightly with a rise in temperature and falls with a decrease in temperature.
升温速率增大，坯片开始收缩的温度及收缩率几乎不变。
Worse schools could be located in more polluted neighbourhoods, and air quality falls in hot weather, so it could have been variation in schools or temperature that affected results.
学业成绩差的学校可能会处在空气污染严重的地区，炎热的天气条件下空气污染会更严重，因此学业成绩可能会因为学校所在区域或者所在区域的气候条件而受到影响。
Automatic temperature control unserviceable, cabin temperature goes below 10 degrees (falls below plus 7 degrees).
自动温度控制失效，舱内温度降到10度(下降到正七度)。
Automatic temperature control unserviceable, cabin temperature goes below 10 degrees (falls below plus 7 degrees).
自动温度控制失效，舱内温度降到10度(下降到正七度)。
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