The next step is to design a prospectivestudy so that we can see if these observed differences are actually real.
下一步需要设计一项前瞻性调查，这样我们就能知道是否真的存在这些观测到的差异。
2
The researchers noted that cognitive issues identified during the prospectivestudy appear to be associated with hypoxia rather than with the quality and duration of sleep.
研究人员指出，在前瞻性研究中被证明认知障碍的发生似乎是与缺氧有关，而与睡眠质量和时间无关。
3
This prospectivestudy included pregnant women registered in health stations in randomly-selected communes in Ha Nam province.