A get-back path is planned based on the bionic principle, saving time and cutting down the distance needed to back.

本文还提出一种基于仿生原理的回程方式，使机器人在回程中节省了时间和距离。

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Article 2 water saving shall follow the principle of unified planning, total volume control, planned water consumption, comprehensive utilization, and emphasis on benefits.

第二条节约用水遵循统一规划、总量控制、计划用水、综合利用、讲究效益的原则。

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Thus, all devices can go to destination through the same planned routine but it need not make the same routing planning repeatedly on different devices, saving time.

如此，所有的装置即可以依据相同的规划路线前往目的地，而不需要在不同的装置上重复进行相同的路线规划，以节省时间。

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The government in November said a planned 2.8bn euros saving in welfare expenditure by 2014 would return it to 2007 levels.

BBC: Irish Republic's austerity plan: Key points at-a-glance

Since he was contributing a decent amount, was invested fairly aggressively, and had 30 years until he planned to retire, our retirement plan estimator calculated that he was actually saving more than he needed to meet his retirement goals.

FORBES: Does It Ever Make Sense to Reduce Your 401(k) Contributions?

After a lifetime of saving for what we anticipated would be a comfortable retirement, we now have expenses we never planned on.

WSJ: When Grandparents Become Parents, the Second Time Around