surrogate ['sʌrəɡeit, -ɡit, 'sə:-]

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n. ����������Ʒ���������鷨��
vt. ������ָ��ij��Ϊ�Լ��Ĵ�����
adj. �����ģ������

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n. alternate��deputy��replacement
a. foster

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1. What are surrogate keys? Explain how the surrogate key pipeline works.
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2. Surrogate model is a key element of the multidisciplinary design optimization(MDO).
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3. Adjustment for case-mix and surrogate markers of malnutrition and inflammation attenuated, but did not reverse, this relationship.
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n.
  1. someone who takes the place of another person
  2. a person appointed to represent or act on behalf of others
adj.
  1. providing or receiving nurture or parental care though not related by blood or legal ties

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surrogate
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surrogate parent
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surrogate parenthood
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surrogate pair
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low surrogate
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