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灰区 huīqū
econ. gray area (就业率颇低但又未低到可获得政府特别补助的地理区域); grey area (就业率颇低但又未低到可获得政府特别补助的地理区域)
space gray area (常指多数导航系统不采用的频率段)
灰区介于两个对立面之间 huīqū
telecom., amer. gray area
灰区: 19 phrases in 14 subjects
Artificial intelligence1
Business1
Ceramics1
Cytogenetics1
Earth sciences1
Ecology1
Economy1
Electronics1
Food industry1
General1
International Monetary Fund2
Rail transport1
Space2
Technology4