i.e. is used to introduce a word or sentence that makes what you have just said clearer or gives details.
that is , in other words
an artificial intelligence system, i.e. a computer program.
人工智能系统,即计算机程序。
strategic points – i.e. airports or military bases.
战略据点,即机场或军事基地。
concerns that the vitamin might be carcinogenic (i.e. cancer inducing)
对维生素可能致癌的担忧。