然而，在非洲，发育迟缓儿童的数量预计有所增加，由1990年4500万上升到2010年6000万。
However, in Africa the number of stunted children is projected to increase from 45 million in 1990 to 60 million in 2010.
这些斜层理可以划分为高达4组不同特征的组合，分别代表潮流沙脊发育的不同阶段，对应于冰后期海平面上升的不同时期。
These inclined beddings can be divided into 4 bedding assemblages to represent different development stages of tidal sand ridges and to correspond to different postglacial sea-level rise periods.
研究表明，甲马矿区海绵礁形成的关键因素是海平面变化，其主体的发育与海平面相对上升同步。
It turns out that the dey factor for the formation of sponge reef was sea level changes and that the growth of reef was in concord with relative eustasy rise.
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