题目内容
普通硅酸盐水泥强度等级分为42.5、42.5R、52.5、52.5R四个强度等级。
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请将下列英文与其对应的中文意思相匹配。
Positive Energy, the chemical term,was first transplanted into the social science field by British writer Richard Wiseman in a book in2012.
Anything orderly and transparent, or anything that follows justice and rule of law can be described as positive energy.
Mental training practices such as meditation might help promoting positive.
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