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double layer
gen.	二重層 (nijusō) River and Water Resources Glossary (Infrastructure Development Institute Japan)
construct.	二重張り (にじゅう・ばり)
el.chem.	電気二重層 (denki-nijūsō); 電気分極層

double layer : 9 phrases in 3 subjects

Electrochemistry	4
General	3
Physics	2