As a new rising discipline, hydroinformatics is a meta-knowledge in the water field and provides a new way to use knowledge in this field.
水信息学是一门新兴的学科，是在水范围内运用知识的新途径、元知识。
2
In its inference engine, meta-knowledge inference is applied to coordinate with quantitative inference, qualitative inference and neural network inference.
在其推理机方面，应用元知识推理以协调定性推理、定量推理和人工神经网络推理。
3
Based on these, and using the meta-knowledge of user view, the accurate knowledge push is realized by locating the object with match function designed in advance.