Mission to the moon intends to establish and test the first elements of a communications network on the moon.

登月计划旨在建立和测试月球上通信网络的第一部分。

youdao

The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?

月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？

youdao

The ideal test would be to go to the far side of the moon and collect a rock sample, but no mission like that is planned, she says.

验证这个想法需要去向月球的远地点去收集岩石样本，但是还没有科研计划有这个任务，她说。

youdao

HeLa cells have gone to the moon to test the effect of zero gravity.

VOA: special.2010.07.21

By November,nineteen sixty-seven, the moon launch rocket,Saturn Five, was ready for a test flight.

VOA: special.2009.07.08

They wanted to test the landing module near the moon.

VOA: special.2009.07.08

We can use our time on the moon to develop and test new approaches and technologies and systems that will allow us to function in other, more challenging, environments.

CNN: Bush: 'It is time for America to take the next steps' in space

But Mr Aldrin disagreed with the view that astronauts should test capabilities for a long-duration flight on the Moon before attempting a journey to Mars.

BBC: Moon astronauts urge Mars mission

We may discover resources on the moon or Mars that will boggle the imagination, that will test our limits to dream.

CNN: Bush: 'It is time for America to take the next steps' in space