estimating population size 种群数量估计
Estimating population and distribution 数量与分布估计
One caveat: Estimating population for comparably defined urban areas, particularly in the developing world, can be difficult.
FORBES: The World's Fastest-Growing Megacities
The Brics bloc represent 40% of the world's population, with some estimating that it contributes about a fifth to the world economy.
WSJ: Brics May Offer Bank Stake to Non-Members
应用推荐
模块上移
模块下移
不移动