Uncontrolled airspace is designated Class F, while controlled airspace below 5,490m above sea level and not in the vicinity of an airport is Class E.

无交通管制的空域被定为等级 F，而低于海拔5490米、不在机场附近的管制空域是等级 E。

youdao

Conclusions the success of cloning and expression of SEA in E. coli provides basis for study the preparation of monoclonal antibody and diagnostic reagent.

结论SEA基因成功克隆到表达质粒内并表达，为制备单抗、诊断试剂及其致病机制研究奠定了基础。

youdao

In light of climate change, the future climatic regime is difficult to be predicted, i. e. sea-level rise, land subsidence, frequencies and intensities of storm, precipitation rate, etc.

鉴于气候变化，未来的气候趋势难以预测，如海平面上升、地面下陷、高频高强度风暴、冰雹频发等。

youdao

The sea level station shall function independently of other equipment that may be installed in the vicinity (i.e. meteorological or other oceanographic equipment).

UNESCO: Social and Human Sciences