column-rule 栏目间隔线
column-rule-style 规定列之间规则的样式 ; 指定列之间的样式规则
column-rule-color 规定列之间规则的颜色 ; 指定列之间的颜色规则
column-rule-width 规定列之间规则的宽度 ; 指定列之间的宽度规则
column layout rule 栏格式规则
The marker does not have to be named eof-any name would do-but the first-column rule is sacrosanct.
标志不一定要命名为EOF(任何名称都可以)，但是必须遵守第一列规则。
To do this, set the -webkit-column-count style, and sett the accompanying -webkit-column-rule style to get the separators.
为此，设置 -webkit-column-count 样式，并设置配套的 -webkit-column-rule 样式来获取这些分隔符。
Based on the Mohr-Column rule, the formula for calculating rock resistant coefficient is given in the paper, and the formula can be applied in kinds of rock conditions.
基于莫尔—库仑屈服准则推导得出的围岩抗力系数计算公式，具有较强实用价值。
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