temperature contrast的用法和樣例：
例句
- The approximation of a linear dependency between heat flow and temperature difference leads to satisfactory results.
在熱流量與溫度差之間，近似地採用線性關係，也能得出令人滿意的結果。 - Further qualifications require that the two fluids be miscible and that the density difference be a function of differences in temperature.
另外的條件要求兩種流體可以摻混起來，並要求兩種流體的密度差是溫度差。
