| 1. | Quartzes and rock salt have the highest conductivities .
石英岩和岩盐的热导率最高。
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| 2. | The material for the threads is spider web or quartz fibers .
丝的材料可以用蛛丝或石英丝。
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| 3. | A crystal is cut from quartz .
晶体取自石英。
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| 4. | Well-sorted quartz sandstones are generally not very abundant .
分选良好的石英沙岩一般并不十分丰富。
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| 5. | It looks like quartz crystals sticking up out of the dark hollow .
它象石英晶体，在黑色的空间耸立着。
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| 6. | A glass or quartz tube has tungsten electrodes sealed in each end .
两根钨丝电极是封在玻璃管或石英管的两端。
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| 7. | The radiation was filtered either by borosilicate glass or by quartz .
辐射光源或用硼硅酸盐玻璃或用石英过滤。
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| 8. | At flat the host is quartz diorite with a finegrained contact phase .
在富来梯，主岩为细粒接触相的石英闪长岩。
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| 9. | Today, quartz crystal clocks are generally used on the seismograph stations .
目前，地震台站一般采用石英晶体钟。
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| 10. | To this class of substance belong mica , porcelain , quartz , glass , wood , etc .
属于这类物质的有云母、瓷器、石英、玻璃、木材等等。
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