BEIJING RIBAO(Beijing Daily)In 1990, the mortality rate of Beijing was 5.81 per thousand, a low-rate among the world's metropolises.Under universally accepted standards, a mortality rate of about...
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BEIJING RIBAO(Beijing Daily)In 1990, the mortality rate of Beijing was 5.81 per thousand, a low-rate among the world's metropolises.Under universally accepted standards, a mortality rate of about...