It became obvious that to describe directions, they needed a fixed reference.

Perhaps, then, we need to look outside of our Galaxy for a fixed reference frame.

The other, called Price Loss Coverage (PLC), provides payments when national average prices fall below fixed reference prices.

Alternatively, a production bulk calibrator material can be iteratively adjusted to give the same average signal response as some prespecified, fixed reference standard.

One method relied on accurate predictions of the future position of the moon as observed from a fixed reference point, such as Greenwich.

EditorsNote: Fixed reference to day of week Dwayne Haskins passed for three first-half touchdowns, and No.