Surveillance and Monitoring: When outdoor temperature is below the freezing point, temperature and air speed should be monitored at least every 4 hours.
温度检测：当室外温度低于冰点时，应至少每四小时检测一次温度和风速。
Though the low temperature limit has not been tested, we can reasonably deduce that the FOXY Sensor operates successfully well below the freezing point of water.
虽然低温限制未进行测量，我们能适当地推定FOXY传感器在低于水的凝固点的温度下运行也良好。
The temperature remained below freezing point throughout the day.
全天气温一直在冰点以下。
If temperatures overnight are already very close to the freezing point, then this drop of just a few degrees can take the temperature below freezing.
如果夜间的温度已经非常接近冰点，那么仅仅下降几度就可以使温度降到冰点以下。
Its top must be higher than dam saturation line's exit point, and the extent exceeded must ensure the saturation line is no less than 1.5 meters below local freezing depth.
贴坡排水层的顶部应高于坝体浸润线的逸出点，超出的高度务使坝体浸润线位于该地区冻结深度以下，且不小于1.5米。
It must work both at high altitudes where the temperature may be below freezing point and in the hot air of an airfield in the tropics.
它能在气温达冰点以下的高空工作，又能在热带地区机场的高温条件下工作。
If the surfaces are chilled below water's freezing point, the condensed moisture can solidify into ice.
如果表面被冷却到水的凝固点以下，浓缩的水蒸汽会凝固成冰。
398The cold of interstellar space, thousands of degrees below freezing point or the absolute zero of Fahrenheit, Centigrade or Reaumur: the incipient intimations of proximate dawn.
398星际空间的寒冷，冰点以下几千度或华氏、摄氏或列氏的绝对零度 ，即将迎来黎明的最早兆头。
398The cold of interstellar space, thousands of degrees below freezing point or the absolute zero of Fahrenheit, Centigrade or Reaumur: the incipient intimations of proximate dawn.
398星际空间的寒冷，冰点以下几千度或华氏、摄氏或列氏的绝对零度 ，即将迎来黎明的最早兆头。
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