measuring frame การใช้

Although attempts to measure frame dragging about the Sun have produced no clear evidence, experiments performed by Gravity Probe B have detected frame-dragging effects caused by Earth.
Her association favors an industrywide carry-on standard based on total volume, determined by placing every carry-on item in a container similar to the measuring frames, or " sizers, " widely available ( but too seldom used, in the opinion of critics ) to measure carry-on items at check-in counters and gates.