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.
理想情况下，三角形将是一个伪元素，但不幸的是它现在是一个span。
Ideally, the triangle would be a pseudo element as well, but unfortunately it's a.
针对通信侦察等领域的需要，将梳形滤波器应用于自干扰载波下短周期伪码的截获中。
With the demand of such field as communication reconnaissance, comb filters application to capture of short cycle PN-code under self-jamming cartier is studied.
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