bicentennial的复数形式为：bicentennials...

n.无能为力，[医]阳痿，阴痿...

奥氏马氏体...

austenitize的音标：austenitize的英式发音音标为：[ɔ:s'tenətaɪz]austenitize的美式发音音标为：[ɔs'tenətaɪz]...

These lath martensite first nucleates in parent austenite intergranular and twin boundary.应变诱发马氏体首先在原奥氏体晶界和孪晶界形核.The microstructure of the weld zone is tempered martensite zone.热影响区的显微组织主要为回火马氏体;熔合线结合良好,组织均匀.There occour...

biopotential的音标：biopotential的英式发音音标为：[baɪɒ'pəʊtentɪəl]biopotential的美式发音音标为：[baɪɒ'poʊtentɪrl]...