earth observing satellites的用法和樣例：
例句
- This is found by observing the doppler shift in the frequency of the radio signals broadcast from the satellite.
這是通過觀測衛星所發射的無線電信號頻率中多普勒偏移來確定的。 - By sheer coincidence, a trio of earth-monitoring satellites gave modelers the pristine, undistorted wave heights they needed for the Indian Ocean tsunami.
十分巧合的是，有一組地球觀測衛星提供了最原始且如實的海嘯波高值，這是模型設計師模擬印度洋海嘯時不可或缺的。
