... descending chromatography 下行色层分离法,下行... descending grade 降坡 descending inflorescence 下降花序 ...
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道路沿线建筑、绿化、坡降、路面宽窄、交通管理等对等效声级也有很大影响。
All have shown that build and afforestation along traffic main, slope, road width, traffic management and so on have great effect.
并通过试验得出，含一定量细粒组分且级配良好的粗粒土渗透破坏坡降比级配不良的粗粒土渗透破坏坡降普遍要高的结论。
And it comes to a conclusion that the permeation damage slope of the coarse-grained soil of well graded with a definite proportion of fine granule is higher than that of poorly graded.
根据现行计算方法，堤坝下游坡脚处渗流水力坡降具有奇异性，这给工程设计中判别渗透安全性带来困难，同时与实际情况也不符合。
The singularity of hydraulic gradient, which is always found in the calculation of seepage at the toe of dam, is not accord with the reality and makes the trouble in judging the safety of the dam.
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