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principal crest
主脊
principal crest
principal crop
principal cross-section
principal crystallogr...
principal cubic root
principal currency
principal current
principal curvature
principal curvature o...
principal curvature o...
principal curvatures
principal curve
principal customer
principal cut
principal cutting angle
principal cutting mov...
principal cycle
principal debt
principal debtee
principal debtor
principal defecation
principal deformation
principal degree
principal derivative
principal determinant
principal diagonal
principal diagonal po...
principal dielectric ...
principal dimension
principal dimensions
principal direction
principal direction o...
principal disease
principal disjunctive...
principal distance of...
principal distance of...
principal distance of...
principal distributio...
principal distributio...
principal ditch
principal divisor
principal drawback
principal E plane
principal e-plane
principal edition
principal element
principal elliptic term
principal elongation
principal engineer
principal epipolar line
principal epipolar plane
principal equation
principal equation of...
principal exponent
principal extension r...
principal fact relate...
principal factor
principal factor method
principal factor solu...
principal fault
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