synchronous earth observatory satellite

例句：

1. 1. The satellite was launched at the same time as the rocket.
   卫星与火箭同时发射。
2. 2. The two events occurred synchronously in time.
   这两个事件在同一时间发生。
3. 3. The scientists observed the earth's rotation synchronously.
   科学家们同步观察到地球的自转。
4. 1. The observatory is located on a hill overlooking the city.
   这个观测站位于一个俯瞰城市的山坡上。
5. 2. The observatory has been used to study the effects of climate change.
   这个观测站被用来研究气候变化的影响。
6. 3. The observatory is home to many scientific instruments and equipment.
   这个观测站拥有许多科学仪器和设备。