reduced depth

The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth ( charge length) is increased.

计算表明，炮孔深度（装药长度）增大，爆炸应力波峰值随距离的衰减指数减小。

Compare with the commercial products, the fixation ratios increased by 15-20%, but the depth of the waste water reduced by 60-70%, the novel reactive deep black dyes have very good environmental benefits.

与目前市场上流行的商品活性黑相比，新型活性黑的固色率提高了15～20%，染色废水的色度降低了60～70%，具有明显的环境效益。

The content of soil organic matters reduced with the increase of soil depth in 0-60 cm layers;

0～60cm土层土壤有机质含量随深度的增加而减小；

The temperature field and history can be simulated based on finite element method to predict the hardness penetration depth and optimize the grinding parameters. Thus the experiment cost and time can be reduced.

借助有限元方法对工件表层的温度场进行仿真，可以预测相变是否发生和相变层的厚度，优化磨削参数，减少试验研究的次数和成本。

After the feed zone, the screw flight depth is gradually reduced, forcing the plastic to compress.

经过输入这道关, 螺丝钉的螺口深度慢慢减小, 这样使得塑料压缩.