根据成岩作用现象及划分标志，本区侏罗系地层可划归于埋藏成岩阶段的早成岩B亚期，晚成岩A亚期及表生成岩期。
It is evidently concluded that Jurassic rocks in this area have undergone burial diagenesis, and can be classified as B sub-period of eogenetic, A sub-period of telogenetic and epidiagentic stages.
其中建设性成岩作用主要是表生岩溶作用、埋藏溶解作用，破坏性成岩作用主要为各期的充填作用，对孔隙破坏性最大的胶结物是亮晶方解石。
The constructive diagenesis are mainly epigenic karstification and burial dissolution. The destructive diagenesis are filler in each periods, the most devastating cement to porous is sparry calcite.
快速星表特别设置成这样，是因为他的作用就是为了在星图上显示你想看到的星体。
This has been done deliberately, since the purpose of the quick catalog is to add objects which you want to see on the map.
快速星表特别设置成这样，是因为他的作用就是为了在星图上显示你想看到的星体。
This has been done deliberately, since the purpose of the quick catalog is to add objects which you want to see on the map.
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