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| 91. | As seen form the table, the density of air varies directly as pressure, with temperature being constant |
| 从表中可以看出，在温度不变的情况下，空气的密度与压力成正比。 |
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| 92. | remarkably keep the indoor temperature5-8℃ lower than outdoor and in winter effectively keep indoor temperature |
| 在炎炎夏季可有效阻隔55%70%热量，显著降低室内温度，可使室内外的温度相差5-8度。 |
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