Given a sentence in English, provide an equivalent paraphrased translation in Chinese that retains the same meaning both through the translation and the paraphrase.

Q: Assuming that the causal relationships are linear , this background knowledge can be expressed in the following structural equation model ( SEM ) specification .

A: 假设因果关系是线性的，则该背景知识可以在以下SEM规范（结构均衡模型）中表达。
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Q: He was a scholar in Metaphysical Literature , Theology and Classical sciences .

A: 他是形而上学文学，神学和古典科学的学者。
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Q: According to the United States Census Bureau , the city is a total surface area of which has land and , or 1.35 % , is water .

A:
根据美国人口普查局的统计，该镇的总面积为土地，占1.35％，是水。
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