科学家们在一块六英里见方的试验田内进行了勘测，他们发现那些有机碳来自筑造防洪大堤取土用的浅塘，有机碳化合物沉淀至塘底并慢慢渗入地下。
Using a six-square-mile test plot, they found that the organic carbon comes from shallow ponds that were dug to provide soil for flood protection.
随着测试技术的不断提高，环境试验参数复合测试技术正逐渐渗入到环境试验中来。
With the improving of test technique, the multiple environment experiment parameter test technique has permeated in environment experiment.
用5%曙红染料作泄漏试验后，剖开牙齿，观察染料渗入情况。
After the experiment of micro leakage with 5% eosin dye, the teeth were cut open, the permeation of the dye were observed.
本文在试验的基础上，研究了金属液渗入多孔体时各种因素对填料粒子产生的影响。
The influence of different factors on the filler particle when pouring the liquid metal into the porous body was studied based on the experiments.
本文在试验的基础上，研究了金属液渗入多孔体时各种因素对填料粒子产生的影响。
The influence of different factors on the filler particle when pouring the liquid metal into the porous body was studied based on the experiments.
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