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两热电极材料相同，两接电点温度相同 两热电极粗细不同，两接电点温度相异 两热电极材料相异，两接电点温度相异 两热电极长短不同，两接电点温度相异
The outside pockets for iPods on backpacks. The cell-phone compartments on handbags. Costumes from science, fictional thrillers. The small gadgets of modem technologies.
thE. the /, the the, a /, a
either ; or neither ; nor not only ; but also not ; but
/, that that, / how, that that, that
that ; what the ; / what ;that that ; that
either, or neither, nor not only, but also both, and
两热电极材料相同，两接点温度相同 两热电极粗细不同，两接点温度相异 两热电极材料相异，两接点温度相异 两热电极长短不同，两接点温度相异
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