以下为句子列表：
英文: Based on experiments of C60 concrete with machine-made sand, this paper studied on the workability, strength, drying shrinkage and durability of the concretes with different weight fractions (3.5%、7%、10.5%、14%) of stone powder and different FA contents(0、
中文: 摘要以C60机制砂混凝土为试验对象，对比研究了3.5%、7%、10.5%、14%（质量分数）4个不同石粉掺量下分别选择不同粉煤灰(FA)掺量(0、11%、17%)配制的机制砂混凝土的工作性、强度、干缩以及耐久性。
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英文: Because the skin excretes melanin, which will come out absorb the UV rays from sun and darken the skin, but the hair doesn't, it can only decompound melanin.
中文: 答案一，人体会在皮肤表面增加黑色素的沉积，阻挡阳光中的紫外线深入皮肤内层,但是头发没这本事，只会分解黑色素。
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英文: Commerical test indicating the polypropylene fibre concretes shotcrete layer has very high value and vast development foreground of application.
中文: 工业性试验表明，聚丙烯纤维混凝土喷层具有较高的推广应用价值。
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英文: Corrosion prevention of pretensioned structures is primarily accomplished through the use of high-performance concretes or the addition of corrosion-inhibiting admixtures.
中文: 要求结构防腐蚀主要依靠高性能混凝土和加钢筋阻锈剂来实现。
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英文: For example, the archegonium (female organ) of the moss Funaria secretes sucrose.
中文: 例如藓类颈卵器（雌性器官）分泌蔗糖。
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