heat-humidity ratio

例句：

1. 1. The temperature and humidity ratio are critical factors in determining the optimal growing conditions for plants.
   温度和湿度比例是决定植物最佳生长条件的关键因素。
2. 2. The heat-humidity ratio is an important factor in predicting the performance of a machine under different operating conditions.
   热湿比是预测机器在不同运行条件下性能的重要指标。
3. 3. The heat-humidity ratio can vary significantly depending on the location and time of day,affecting the comfort level of occupants.
   热湿比因地点和时间的不同而显著变化，影响乘客的舒适度。