A heme (HEM) is a multi-atom, non-proteinaceous organic structure capable of positioning an iron (FE) ion in its center.
亚铁血红素 (HEM) 是一个多原子、非蛋白质的有机结构，能够将一个铁 (FE) 离子置于其中心。
LinkedIn builds an index structure in their Hadoop pipeline - this produces a multi-TB lookup structure that USES perfect hashing (requiring only 2.5 bits per key).
LinkedIn在其Hadoop管道上构建了一个索引结构：这会产生几个TB的查找结构，该结构完美地使用了散列(每个键只需要2.5个位)。
Finally, as an applied example, the paper introduces the general design of multi-locations automatic cleaning line for valve parts as well as its mechanical structure and functions.
作为应用实例，介绍了阀类零件多工位自动清洗线的总体设计和机械结构及功能。
应用推荐