The earliest models appeared at the same time as the first personal computers were produced, in the mid-1970s, although they were primitive by today's standards.

Working conditions in the plant were primitive even by Pittsburgh standards.

It may be primitive by Floran standards, but these do work, most of the time.

The film's special effects are primitive by modern standards, but were impressive for that time.

All very primitive by today's standards and not always dependable by any standard.

The life being supported was even more primitive, by Borg standards.

The first model was a bit primitive but by 1910, Douglas had started racing.

The police, uh, apparatus, I guess you'd call it, is very primitive by our standards.

In the 1960s, computer technology was primitive by current standards.

About 10 years after the Wright brothers made the first powered flight, aircraft remained very primitive by later standards.