帽子结构是指在真核生物中转录后修饰形成的成熟mRNA在5'端的一个特殊结构，即m7GPPPN结构，又称为甲基鸟苷帽子。它是在RNA三磷酸酶，mRNA鸟苷酰转移酶，mRNA（鸟嘌呤-7）甲基转移酶和mRNA（核苷-2’）甲基转移酶催化形成的。
目前，最佳生产力战胜了我们一直从事的在业务中分解传统工作分组的“大帽子”结构。
Right now, the biggest productivity wins we're seeing involve breaking down the traditional "stovepipe" structure of working groups within a business.
或者针状结构的尖锐晶体像钉子刺穿木头那样，刺穿‘帽子’样的胆固醇沉积物。
Or the crystals, which are sharp, needle-like structures, poke their way through the cap covering the cholesterol deposit, like nails through wood.
那些像“帽子”一般的木结构，由大型沥青瓦铺在木质天窗上。
Those wooden structure "hats", crowned with wooden window skylights are waterproofed with a "skin" of large squared asphalt shingles/scales.
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