虽然工作本身确实是很好的证明，但是在现代社会中，一个人应该具备最低水平的有效沟通能力。
It's true that work speaks for itself but we are in the modern world and one need to have minimum level of effective communication.
瑞士则是在中高收入水平有效税率最低的国家之一。
Switzerland's effective tax rate on the fairly well-off is one of the lowest in the world.
结论采用手术切口感染专率监测，是将手术切口感染率降低并保持在最低水平，提高医疗质量的一种行之有效的方法。
CONCLUSIONS Monitoring the infection rate of operation incisions by surgeons is a useful method to decrease the infection rate and keep the rate low and improve medical quality.
将水油分离机安装到空气压缩机上，能有效降低冷凝混合物中的含油成分至最低水平，因此清洁的水凝物能安全地排放到下水道内。
Installed as part of the compressed air system, it simply reduces the oil concentration in the condensate to permitted levels, so that clean water condensate can discharge safely into the drains.
将水油分离机安装到空气压缩机上，能有效降低冷凝混合物中的含油成分至最低水平，因此清洁的水凝物能安全地排放到下水道内。
Installed as part of the compressed air system, it simply reduces the oil concentration in the condensate to permitted levels, so that clean water condensate can discharge safely into the drains.
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