From the newborn, the babies and infants to the school-age child, the disease incidence rate and the case fatality rate assume the tendency which drops gradually.

从新生儿、婴幼儿到学龄儿童，发病率及病死率都呈逐渐下降的趋势。

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With continues gas field development, formation pressure drops gradually, fluid intrusion and water lock effect are particularly prominent in gas well shutdown process.

随着气田的开发和天然气的不断采出，地层压力逐渐降低，生产气井在关井过程中的积液倒灌和水锁效应问题显得尤为突出。

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As crime gradually drops in Johannesburg, dining and entertainment precincts are springing into life.

CNN: Urban rebirth: Johannesburg shakes off crime-ridden past

Still the policy is inconsistent, once the teachers have been upgraded, and have their salary increased, in the end they gradually lose interest and their motivation drops.

UNESCO: Laos: Report: Part II: Analytic Section: cont. 2