Often the simple services of level four are replaced by composite services that can be choreographed.
第四级的简单服务通常会被复合服务替代，后者可以进行组合。
High automation is level four.
第四级是高度自动化。
College English level four or above.
大学英语四级及以上。
She has passed English professional level four and eight and has rich teaching experience in English teaching.
英语过专业四级、八级，在英语教学方面有丰富的教学经验。
I thought it was weird how this level four hurricane could destroy huge things like trees, cars, and houses, yet these little screens around the pool could stay up.
我感到十分奇怪，为何四级的飓风摧毁了大树、汽车、房子这样巨大的东西，而这些小幕布却没有遭到破坏呢？
The viruses kept in Containment Level Four laboratories are among the most infectious.
保存在“四级防护”实验室中的病毒都属于最具传染性的病毒。
In Britain, there are 15 "Containment level Four" laboratories, the maximum biosecurity level, across the country.
英国拥有15所“四级防护实验室”，即最高生物安全级别实验室。
The viruses kept in Containment Level Four laboratories are among the most infectious. Just a few of the tiny organisms are needed to cause disease.
保存在四级防护实验室的中的病毒都属于最具传染性的病毒。
The viruses kept in Containment Level Four laboratories are among the most infectious. Just a few of the tiny organisms are needed to cause disease.
保存在四级防护实验室的中的病毒都属于最具传染性的病毒。
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