Approach each step as a separate mission and you'll eventually arrive at the end goal.

把每一部作为一个单独的任务来完成，最后你终会达到目标。

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The control activities in both TMap and RUP are mainly found in the step, Achieve Acceptable Mission.

在TMap和RUP都有的控制活动主要是在步骤完成可接受任务。

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Figure 5: The RUP step Achieve Acceptable Mission

图5：RUP步骤完成可接受任务

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Aldrin was the second man to step foot on the moon during the Apollo 11 mission in July 1969.

VOA: standard.2010.04.15

Astronaut Neil Armstrong, the first human to step on the Moon, observed the extraordinary accomplishment of the Apollo 11 mission forever established a lasting legacy in space flight.

VOA: standard.2009.07.16

"That's the mission we want fulfilled and the satellite we will launch will be one major step towards that mission, " he said during a visit to Ariane's launch center in Kourou, French Guiana, on the northeast coast of South America, late last month.

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"Today's announcement marks an important first step in our ongoing mission to meet the increasing global demand for high-quality, original 3D and 4K television content head on, " said Cosgrove.

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He said he hoped the next step would be a demonstration mission to capture something small.

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