未成年人犯罪已成为现代社会犯罪中一个越来越突出的问题。
Juvenile crime is becoming a more and more serious problems in the modern society.
轮班工作障碍对美国劳动大军来讲是一个大问题。经济趋势显示它将更可能成为一个越来越突出的问题。
Shift work disorder is a significant problem for the American workforce, and economic trends suggest that it will likely be a growing problem.
膏体充填技术近年来在矿山得到了较多的应用，但是关于膏体充填料浆水力坡度的计算却成为越来越突出的问题。
Paste backfilling technology has been widely used in mines recently. However, the hydraulic gradient calculation of paste backfill slurry is becoming a prominent problem increasingly.
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