同步卫星 (tóng bù wèi xīng) — synchronous satellite
Definition
A satellite that orbits Earth at the same speed as Earth's rotation, so it stays above the same point (≈36,000 km up), used for communications and weather data.
noun
synchronous satellite
Measure word · 颗
Examples
- 同步卫星。Fā shè tóng bù wèi xīng xū yào fēi cháng jīng què de jì shù.Launching a synchronous satellite requires very precise technology.
- 同步卫星。tóng bù wèi xīng De guǐ dào gāo dù yuē wèi sān wàn liù qiān gōng lǐ.The orbital altitude of a synchronous satellite is about 36,000 kilometers.
- 同步卫星。Qì xiàng yù bào cháng cháng yī kào tóng bù wèi xīng chuán huí de shù jù.Weather forecasts often rely on data transmitted by synchronous satellites.
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