The urine recycling system is needed for astronaut outposts on the moon and mars .
对身处月球和火星“前哨”的宇航员来说，研制尿液循环水系统很有必要。
The state has had to build roads to remote migrant outposts in the jungle .
一些前哨基地建立在移民所居的偏远热带丛林中。
If plans being considered by nato to withdraw from other remote outposts go ahead , there will be more propaganda triumphs for the taliban to brag about .
