The world economic forum ' s recent 1999 global competitiveness report indicates that , despite the serious economic crisis in the region , singapore has remained the world ' s most competitive economy for four consecutive years 世界经济论坛最新发表的1999年环球竞争力报告书表明,尽管面对严重的区域经济危机,但是新加坡的国际竞争力仍连续第四年排名在世界第一。
A new wwf report has found that freshwater biodiversity of the pearl river delta faces of barrage of threats , but that surprisingly little information is available on the current health of freshwater habitats and species 世界自然基金会最新发表的报告发现，尽管珠三角水域的淡水生物多样性正面对不同类型的威胁，但有关目前淡水生境和生物的健康状况的资料却少之又少。
Adopting single pulse neutron exposure 22ne ( a , n ) 2dmg and the updated neutron cross section , making use of the core helium burning model of the single neutron exposure theory , we calculate the s - process nucleosynthesis in massive stars at different mettalicity and compare the results with the solar s - weak component 我们采用单脉冲中子源‘ zne （ a ， n ） zsmg ，采用最新发表的中子俘获截面，用中心氦燃烧模型计算了各金属丰度情况下15m m叼0m 。的大质量星的s过程核合成，并将所得结果与太阳的s刁分量进行比较。
