据研究公司Euromonitor近日的一则报告称，中国的饼干零售业正在逐渐增速，今年的增长量达到9%。
According to a recent report by Euromonitor, a research firm, retail sales of biscuits in China are gathering pace with a growth rate of 9% so far this year.
随煤柱尺寸增加，中性面区域的宽度逐渐增大，但其占煤柱宽度比例增速降低并逐渐趋于稳定。
As the size of coal pillar increases, the width of neutral plane area increases. However, the speeding-up of neutral plane area occupying the width of coal pillar decreases and becomes stable.
应用推荐