This text surrounds that problem, makes some accidence and system discussion.本文围绕该问题作了一些初步的、系统的认识和探讨.I have learnt some knowledge of it in accidence.我初步学会了关于它的一些知识.Medical factors cause the accidence of MOF also.医源性因素也参与...

accidence的音标：accidence的英式发音音标为：['æksɪdəns]accidence的美式发音音标为：['æksɪdəns, -ˌdɛns]...

n.入门...