The monitoring results of bottomquality showed that the (chemical) elements in sediment before and after explosion have no difference.
水质和沉积物监测表明，震前和震后无明显差异。
2
The clerical workers considered factors such as quality of work performed and job knowledge near the top of their list, but these were at the bottom of the production workers' list.
文员们把工作质量和工作知识等因素放在工作清单的最前面，但这些因素在生产工人的工作清单中却排在最后。
3
The quality of construction was allowed to suffer to serve the bottom line.