High-tech and Scientific knowledge

High-tech adjective - Resembling or making use of highly advanced technology or devices.

Scientific knowledge and high-tech are semantically related. In some cases you can use "Scientific knowledge" instead a noun phrase "High-tech".

Scientific knowledge noun - Knowledge accumulated by systematic study and organized by general principles.

High-tech and scientific knowledge are semantically related. Sometimes you can replace phrase "High-tech" with "Scientific knowledge", this phrases are similar.