Yes – for example many of these technologies rely on certain weather conditions, which affect the level of energy production.

是的，例如，许多此类科技依赖于特定的天气条件，而天气条件会影响能源生产水平。

The thickness of the track ballast usually ranges between 25-30 cm and varies depending on certain conditions pertaining to the geographical location of the railway track.

轨道道砟的厚度通常在25-30厘米之间，并根据铁路轨道的地理位置的某些条件而变化。

Butterflies and moths are also often quite mobile, but in different stages of their life cycle they rely on certain terrestrial conditions and particular plant foods, and so many are still vulnerable.

蝴蝶和飞蛾通常也是相当灵活的，但在它们生命周期的不同阶段，它们依赖于某些陆地条件和特定的植物食物，因此许多蝴蝶和飞蛾仍然很脆弱。