cooling speed range 冷却速度范围
Wide cooling capacity range 宽冷量范围
This particular board also operated over a broad temperature range without a cooling fan.
这块系统板不用制冷风扇就可以在温度变化很大的环境中使用。
Some scientists like Donald Oilman, chief of the National Weather Service's long-range-prediction group, think that the cooling trend may be only temporary.
国家气象局的负责人Donald Oilman和其他一些科学家们认为，这种变冷趋势只是暂时的。
Hardening. This is the process of heating to a temperature above the critical range, and cooling rapidly enough through the critical range to appreciably harden the steel.
淬火。这个工艺是把材料加热到临界温度范围之上，然后迅速冷却到临界温度范围以下，使钢材明显变硬。
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