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研究假设
研究者根据经验事实和科学理论对所研究问题的规律或原因作出的一种推测性论断或假定性解释。
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reciprocal basis
reciprocal cell
reciprocal conjugation
reciprocal correspondence
reciprocal cross
reciprocal crosses
reciprocal curve
reciprocal determinant
reciprocal determinism
reciprocal difference
reciprocal difference quotient
reciprocal division
reciprocal element
reciprocal equation
reciprocal factorial
reciprocal Fibonacci constant
reciprocal figures
reciprocal function
reciprocal ideal class
reciprocal induction
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reciprocal integral equations
reciprocal interchange
reciprocal kernels
Reciprocal lattice
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