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bdt中文什么意思
例句与用法
- Bdt beckmann differential thermometer
贝克曼差示温度计 - It seems the ncz silicon has a higher bdt temperature compared with cz silicon ' s . it is suggested that the elastic effects and the electronic effects of nitrogen doped in silicon made the bdt temperature higher . the observation of fracture surface showed that it was curves at high temperature in brittle fracture , but smooth planes at room temperature
当温度升高达到硅材料的脆塑转变时，材料的断裂强度有个很大的提高，但是首次发现含氮硅单晶却不明显，而且掺氮的硅单晶脆塑转变温度比普通单晶高，可能是氮的掺入改变了硅材料的内部晶体结构及电子结构。 - What ' s more , the amount of oxygen precipitates , dislocations in silicon and the orientation of the pressed surface also influence the fracture strength . stress - strain curves were studied at room temperature . in another experiment , brittle - ductile transition ( bdt ) of ncz and cz were studied for first time
常温下氮硅单晶( ncz )及普通硅单晶( cz )的断裂强度研究发现，氮的掺入提高了机械性能，并且不同氧沉淀量、位错的存在及不同晶向对硅材料机械强度也有较大影响。 - On the basis of the concepts of divide - and - conquer and rough - fine , dia build a set of algorithm models including two rough classifiers ( i . e . bdt and cmac ) and three fine classifiers ( i . e . clchfpp , cpn - wed , nne - ifm ) which integrate some techniques such as clustering , decision tree , neural networks , fuzzy logic and information fusion etc . and take advantage of them , so dia has a high accuracy and speed theoretically
Dia系统中算法模型的设计基于“分而治之”和“由粗到精”的模式识别思想，具体构建了两种粗分器( bdt和cmac )及三种精分器( clc - fpp 、 cpn - wed和nne - ifm ) ，这些分类器的设计综合了聚类法、决策树、神经网络、模糊逻辑以及信息融合等技术的应用，并使其优势互补，因此在理论上具有识别精度高及速度快的优点。