Be considered as 和be recognized as都可以被用作"被认为"，它们在含义侧重点和用法上是不同的，具体如下：
一：含义解释
be considered as 英 [bi kənˈsɪdəd æz] 美 [bi kənˈsɪdərd æz] v.被认为是
be recognized as 英 [bi ˈrekəɡnaɪzd æz] 美 [bi ˈrekəɡnaɪzd æz] 看作是;被公认为
相同点：两者都可以被理解为"被认为"。
不同点：be considered可以理解为“被认为”，即主观的判断；be recognized as可以理解为“被认知”，即客观的认识。
二：用法区分
be considered as被认为是（作为）；被看做；Should Be Considered As 可以应视为；be considered as a whole 被看成是一个整体
be recognized as 被认为是，被公认为（客观事实）His novel was eventually recognized as a work of genius. 他的小说终于被认为是天才之作。
三：典型例句
1、be considered as
——Brooks may be considered as a trustworthy man.
布鲁克斯可以被认为是一个可靠的人。
——It will also help you to decide what you will need to build into a machine before it can be considered as a robot.
它还将帮助你决定你需要在一台机器里面建造什么。它才能够被认为是一台机器人。
——None of these occurrences should be considered as errors.
这些现象没有一个应该被看做错误.
2、be recognized as
——In spite of the various circumstances under which it is practiced translation must now be recognized as a distinct and autonomous profession.
尽管从事翻译工作的环境各有不同，但当前必须把翻译工作看作是一种固定、独立的职业。
——Since industry makes a consensus on the opinion that "Automation Language Recognition could be recognized as one of the special case, which based on certain characteristics, of Text Auto-classification".
业界普遍赞同将语言识别问题看作是基于某些特征进行文本分类这一问题的一个特例。
——Henry II was the first king to be recognized as overlord of Ireland.
亨利二世是第一位被承认为爱尔兰领主的国王。