Localization and path planning are two important problems for lunar rover navigation.

定位与路径规划是月球车导航的两个重要问题。

youdao

The client must now resolve two important problems related to the number of data items received.

客户机现在必须解决两个与所接收数据项的数量有关的问题。

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So the DGPS data formats and base station algorithm are the two important problems of DGPS system.

因此，GPS差分协议和差分电文的算法是差分系统必须考虑的两个问题。

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President Obama has accepted responsibility for problems involving his nominees for two important positions.

VOA: special.2009.02.06

By contrast, the Conservative response to the twin problems of recession and record debt is to address both together, understanding the important connection between the two - a connection that Labour ignores.

BBC: In full: Cameron's economy speech