existent question

基本解释

One of AI kernel question is how to express the existent knowledge and how to apply them for analysis and inference to obtain new knowledge.
人工智能的核心问题之一是如何表达已有的知识，以及如何应用已有的知识进行分析处理和推理，而得到新的知识。
Centralism of investment direction and large transformation of the investment idea simultaneously promulgates existent question in our country OEMF style.
投资方向的过于集中与投资理念的大幅转变同时揭示出我国开放式基金投资风格存在的问题。
This article introduced the present situation, existent question and developing trend of iron oxide in China. Pointed out some suggestions for the development of iron oxide.
本文介绍了我国氧化铁行业现状、存在问题和发展趋势，并对氧化铁今后的发展提出了建议。