急性呼吸窘迫综合征（ARDS）患者动脉血氧分压/吸入氧浓度比值（PaO?/FiO?）及柏林评分对越南地区住院预后的预测能力有限 ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

While we're not going to get into every single possible ratio in Factorio here, because they are endless, let's talk about what these ratios are and why they are important for maximum efficiency in ...