certin meaning in English

塞尔坦
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Aiming at the conveying - alcohol pipe system of a certin model gas generator in our school rocket engine field laboratory , this paper does a series of simulation studies using amesim , analyses and summarizes the results of simulations , and at the same time implements some waterhammer experiments , and compares the results with the ones of simulations
本文针对我校火箭发动机试验外场的某型燃发器试验酒精供应管道系统,使用amesim进行了一系列的仿真研究,对仿真的结果进行了分析和总结,同时还开展了水击试验,并与仿真进行了对比。
Interleukin - 2 is a lymphokine synthesized and secreted primarily by t lymphocyte or t helper lymphocytes that have been activated by stimulation with certin antigens or mitogens . it is one of the important t cell growth factors . because of its key role in immune response , it is always a center in the study of cytokines . compared with human and mammalian , the study of chicken il - 2 is very slowly
白细胞介素- 2 ( interleukin - 2 ， il - 2 )主要是在促有丝分裂素或特异性抗原刺激下，由t淋巴细胞或t淋巴细胞系产生的一种淋巴因子，是机体主要的t细胞生长因子之一。由于il - 2具有的重要免疫调节功能， il - 2一直是细胞因子研究中的热点之一。