This is a successful landing.

这是一次成功地降落。

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The space travellers made a successful landing on the moon.

太空旅行者成功地登上月球。

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Although this flight ended in a successful landing, the graph in Figure 2 shows several large spikes (the blue line) in height measured by radar.

尽管这次飞行以成功着陆结束，图 2 中的图表还是显示出一些陡峭的峰值（蓝线）。

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This move had to be successful before any moon landing could be attempted.

VOA: special.2009.06.24

But we know you're all hard at work and you're getting some well-deserved rest after a successful landing.

WHITEHOUSE: The White House

"A successful landing will grant a huge breath of relief to the entire Mars science community tonight, " Wray said in an e-mail.

CNN: Rover Curiosity near Mars landing

Steady electronic "heartbeat" tones relayed from Curiosity across space to Earth indicated a successful landing to the control room at Jet Propulsion Laboratory.

WSJ: NASA's Curiosity Rover Lands on Mars