In contrast, AIX is broken down into four main operating system levels: version, release, technology level (TL), and service pack (SP).
相比之下，AIX分为四个主要的操作系统级别：版本、发行版、技术级(TL)和服务包(SP)。
This paper introduces the application of The 'SP' synthesization foam spray fire extinguishing device for a main transformer in the substation.
介绍了“SP”合成型泡沫喷淋灭火装置及其在变电所主变压器消防中的应用。
The results showed that Dichomeris sp. was the main cone pest, but the damage of Sinorsillus piliferus and Gleosporium sp. and Lophodermium sp. can set up discoloration of cones.
结果表明球果害虫主要是杉木球果麦蛾，而杉木扁长蝽等的危害及炭疽菌、散斑壳菌的侵染可导致球果变色。
Main oryctocoenose preserved in limestone of platform facies includes various types of large bodies, such as Schwagerina subnathorsti(Lee), S. sp.
主要的生物化石发育于台地相灰岩中，包括蜓类、牙形石等个体较大化石；
Main oryctocoenose preserved in limestone of platform facies includes various types of large bodies, such as Schwagerina subnathorsti(Lee), S. sp.
主要的生物化石发育于台地相灰岩中，包括蜓类、牙形石等个体较大化石；
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