有效弹性
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effective elasticity modulus 有效弹性模量
effective elasticity test 有效弹性试验
effective elasticity moduli 有效弹性模量
anisotropy of effective elasticity 弹性各向异性
effective elasticity of expectation 预期有效弹性
effective modulus of elasticity 有效弹性模数
effective dynamic parameters of elasticity 有效动弹性参数
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Especially if elasticity is low, policymakers should be seeking assurance that charities spend money in a particularly wise, effective way.
ECONOMIST: Charity and taxation
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