In Huaibei area the unsuitable application of wheat variety, bad climate soil conditions, lower fertility and extensive cultivation were major limiting factors for high wheat yield in large areas.
对近几年淮北小麦生产现状的分析表明，小麦品种使用不当、不良气候、土壤肥力偏低以及栽培粗放是当前淮北小麦大面积生产存在的主要问题。
The greatly reduced capacity of a single pile resulting from the negative friction leaves the end-bearing pile unsuitable in the backfilling soil.
实例分析表明，由于桩侧负摩阻力的影响，单桩承载力大为降低。产生负摩阻力的土层，不宜采用端承型桩基。
If a path is constructed over a poor sub-grade, excavation to remove wet, organic or otherwise unsuitable material, treatment with soil-cement or application of a geotextile fabric may be required.
如果要在一个不好的地基上建造道路，可能要通过挖掘来去除潮湿、有机或其他不合适的物质，也可能要用水泥与土混合料或者地质纺织面料进行处理。
As the slope soil affected by water content and tectonic structure plane, the slope is unsuitable to be steep.
由于边坡土体受含水量和构造结构面的影响，边坡不宜太陡。
As the slope soil affected by water content and tectonic structure plane, the slope is unsuitable to be steep.
由于边坡土体受含水量和构造结构面的影响，边坡不宜太陡。
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