America's system of national parks, a model for similar set-ups around the world, was based on the idea of limiting human presence to passing visits, rather than permanent habitation.
美国的国家公园就是分布于世界各地类似的系统中的典范，其理念就是在保护区内人类只是游客，而不能成为永久居民。
The questions will be similar to the ones you answered on your Application for Permanent Residence in Canada.
这些问题和你在申请加拿大永久居民时的问题相似。
But the city has struggled to replicate a similar singularity of vision in more permanent civic projects.
不过，对于更加长期的市政项目，这座城市却很难复制出类似的统一愿景。
Structural style and bearing mechanics of secant pile wall are similar to the diaphragm wall and should be used as both temporary and permanent structure like the diaphragm wall.
考虑到咬合桩的结构形式和受力机理同地下连续墙相似，那么咬合桩应该可以像地下连续墙一样作为永久结构使用。
Structural style and bearing mechanics of secant pile wall are similar to the diaphragm wall and should be used as both temporary and permanent structure like the diaphragm wall.
考虑到咬合桩的结构形式和受力机理同地下连续墙相似，那么咬合桩应该可以像地下连续墙一样作为永久结构使用。
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