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premonitor是什么意思

  作者:恒星英语学习网     所属分类:P开头的英语单词     

premonitor 是什么意思

中文翻译与英英解释

n.
1.预先警告[告诫]者。
2.预兆,征兆。

例句与用法

1.In this paper , the al3 + - doped zno thin films were prepared on na - ca - si glass substrate ( microscope slides ) by sol - gel process from 2 - methoxyethanol solution prepared by zinc acetate as premonitor , monoethanolamine as stabilizator and aluminum chloride reaction . homogenous , transparent , polycrystalline zno thin film was formed finally by diping coating conducted for film - plate on substrate , drying , pre - heat - treatment , anealing
所用的溶胶是以乙二醇甲醚为溶剂,醋酸锌为前驱体,乙醇胺为稳定剂反应制得,用浸渍提拉法在基体上镀膜,经烘烤、预烧、退火,最后形成均匀、透明的多晶zno薄膜。

2.It is one of mechanisms of plastic distortion , at the same time it is also the beginning of microcosmic damage and rupture before the macroscopical destroying of materials , it representatives a mid - state between materials " macroscopical rupture and bend , it is considered a premonitor that the rupture of polymer material
它是材料塑性变形的机制之一,同时又是材料宏观破坏以前微观上损伤、破坏的开始,它代表材料微观断裂和屈服之间的一个中间状态,可以看作是聚合物材料宏观断裂的先兆。

 
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