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1·Catch-up effect is the property whereby continues that start off poor tend to grow more rapidly than countries that start off rich.

追赶效应：开始时贫穷的国家倾向于比开始时富裕的国家增长更快。

2·If the scrolling effect isn't 100% smooth, this illusion of physical media breaks down and you're back to struggling with an interface, waiting for it to catch up.

如果展开效果不是100%的顺畅，那么这种物理媒介的幻觉就会破灭，那么你又得被界面困扰，等待它更新。

3·Under the test condition, this water stabilizer exhibited good corrosion inhibition effect both on steel and brass, which could catch up with the traditional water stabilizer SPC-405.

研究结果表明：该阻垢缓蚀剂在试验用模拟水条件下，对碳钢和黄铜均有明显缓蚀作用，且其缓蚀效果与传统水质稳定剂SPC - 405相当。

4·We should strengthen the leadership, set up long result mechanism, increase input scientifically, catch key step and link and receive the actual effect.

要加强领导，科学规划、建立长效机制、加大投入，抓住主要步骤和环节，收到实效。