编结的帽坯或用任何材料的条带拼制而成的帽坯，未楦制成形，也未加帽边、衬里或装饰物。
Hat-shapes, plaited or made by assembling strips of any material, neither blocked to shape, nor with made brims, nor lined, nor trimmed.
RNA转录后加工的主要步骤有5端加帽，剪接和3端多聚腺苷酸化。
Posttranscriptional mRNA processing includes 5 '-capping, splicing and poly-adenylation at the 3' end.
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