| 1. | The following formula defines thermal index t
下列数式定义了离开地面h米的热成指数t |
| 2. | 1 thermal index
1热成指数 |
| 3. | The latest thermal indices up to 5 000 feet 1 524 metres are shown on the left
在左边的方框内有最新计算自接近地面至5 000尺1 524米的热成指数。 |
| 4. | The latest thermal indices up to 5 000 feet ( 1 524 metres ) are shown on the left
在左边的方框内有最新计算自接近地面至5000尺( 1524米)的热成指数。 |
| 5. | There are several ways to estimate soaring conditions . thermal index and soaring index are the most commonly used indices
现时有几种方法去估计滑翔条件，常用的有热成指数以及滑翔指数。 |
| 6. | There are several ways to estimate soaring conditions . thermal index and soaring index are the most commonly used indices
现时有几种方法去估计滑翔条件，常用的有热成指数以及滑翔指数。 |
| 7. | The observatory routinely calculates two commonly used weather indices which are useful for estimating the soaring conditions , namely the thermal index and the soaring index
天文台利用京士柏气象站的最新气球探空数据，计算两个天气指数，即热力指数和滑翔指数，以供用家参考。 |
| 8. | The observatory routinely calculates two commonly used weather indices which are useful for estimating the soaring conditions , namely the thermal index and the soaring index
天文台利用京士柏气象站的最新气球探空数据，计算两个天气指数，即热力指数和滑翔指数，以供用家参考。 |
| 9. | This webpage provides two weather indices , namely the " thermal index " and the " soaring index " , to let the glider pilots estimate whether there is adequate lift due to upward air currents for soaring activities
该网页提供了两个天气指数：热成指数和滑翔指数，以协助滑翔飞行员评估是否有足够的上升气流进行滑翔飞行活动。 |
| 10. | The thermal index is calculated based on the temperature difference between an air parcel lifted from the surface and its surroundings . it indicates the soaring conditions for heights up to 5 000 feet ( 1 524 metres )
热成指数是指地面的气团抬升时，它与周围空气之间的温度差别，用以反映地面至5000尺1524米高度之滑翔条件。 |
