external agent

  • 外营力

external agent的用法和样例:

例句

  1. A structure or substance not normally present but produced by an external agent or action, such as a structure seen in a microscopic specimen after fixation that is not present in the living tissue.
    矫作物非正常出现而是由外界因素或作用所产生的一种结构或物质,如经固定后,在显微镜下才能看到的标本中的一种活生命组织中不会出现的结构
目录 查词历史