【建】 mass-to charge ratio
character; matter; nature; pawn; pledge; quality; question; simple
【医】 mass; massa; quality; substance; substantia
【经】 guilder
【经】 Benelux; benelux customs union; benelux economic union
compare; compete; ratio; than
【医】 proportion; ratio
【经】 Benelux; benelux customs union; benelux economic union