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national chemical measurement standard
释义
national chemical measurement standard
Encyclopedia
工学
〔化学计量基本概念〕
释
national chemical measurement standard
国家化学计量标准
由国家计量行政部门考核、批准,具有确定的量值或量值范围和相关联的不确定度,用于实现化学成分量、物理化学特性量等的单位或量值,检定或校准其他化学计量标准或工作计量器具,对社会实施计量监督并具有公正作用的一类国家计量标准。
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modulus of a hypocycloid
modulus of an alternion
modulus of an annular domain
modulus of an annulus
modulus of an automorphism
modulus of an elliptic function
modulus of an elliptic integral
modulus of an endomorphism
modulus of an epicycloid
modulus of a number
modulus of a plane domain
modulus of a prime end
modulus of a quadratic invariant
modulus of a quadrilateral
modulus of a real number
modulus of a ring
modulus of a trochoid
modulus of a vector
modulus of compression
modulus of continuity
modulus of convergence
modulus of convexity
modulus of deformation
modulus of distance
modulus of elasticity
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