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| 1. | It is estimated that the amount of earth used to reinforce the Yellow River dikes four times since the founding of New China was enough to build 13 Great Walls. |
| 据测算，新中国成立后4次加高培厚黄河大堤的土方量可以与13座万里长城等比。 |
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| 2. | When the surface of earth undulates acutely, the calculating value of earthwork is largely different from the real quantity of earthwork, which leads to the unreasonable parts in the projection budget. |
| 当地面起伏较大时,所得土方量与实际土方量相差较大,使工程预算含有不合理成份。 |
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| 3. | So, it is necessary to deduce the rigour calculation formulation and the paper introduces the rigour calculation formulation. |
| 为此,有必要导出严密数学公式,本文即给出了筑路工程土方量的严密计算公式。 |
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| 4. | In the project of building road, calculating the quantity of earthworkapplies approximative formulation. |
| 在筑路工程中,土方量的计算一直沿用近似公式。 |
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