经历过碳酸盐化作用的碳酸盐颗粒显示出伪六边形的微晶结构，其次生孔隙发育不良。

Grains of carbonate experienced marmorization show pseudo - hexagonal poikilitic structure with poorly developed secondary pores.

youdao

下面的示例中将显示使用level伪列的另一种方法。

Another way to use the LEVEL pseudo column is shown in the following example.

youdao

清单4显示了：after伪类技术所使用的CSS代码。

Listing 4 shows the CSS code for the: after pseudo-class technique.

youdao