以下为句子列表：
英文: Considering output pressure differences between potential driving sources, e. g., thermoacoustic prime mover and linear compressor, the influence of pressure ratio on regenerator performance was discussed.
中文: 针对热声发动机与线性压缩机输出压力波特性的不同，分析了输入压比对回热器性能的影响。
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英文: Touch on developing large-flow and high-pressure ratio impressor and large-enthalpy drop turbine, reducing harmful emission, solving the major problems of high-temperature blade material, cooling, protective coating and single-grain blade casting, and com
中文: 涉及了开发大流量高压比压气机、大焓降涡轮，降低有害排放量，解决高温叶片的材料、冷却、保护涂层及单晶叶片铸造等主要问题，并确认了一些关键的制造技术。
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英文: When added 0.% GCL-D,the water reducing ratio of concrete is 8.% as well as the compressive strength ratio of day and 8 day of harden concrete is % and %. The 8 days impermeability pressure ratio of harden mortar blended with GCL-D reaches 8%.
中文: 掺加0.%GCL-D的混凝土减水率为8.%, d和8d混凝土强度比分别达%和%,8d砂浆抗渗比达到8%。
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