Conventional materials selection system was replaced with sophisticated software tools by rapid changing technology.
In 1949, when the People's Republic of China was proclaimed, the old system was replaced by the Gregorian calendar.
In particular, the mechanical control system was replaced by a full authority fly-by-light control system.
When the old Hollywood studio system was replaced by movie-star free agency in the 60's and 70's, the power of stars increased.
In 2002, the unwieldy subsidy system was replaced by a new scheme where wind generators were rewarded for the energy they produced, above the open-market price.
In February, the high school attendance system was replaced to match those at the elementary and middle school levels, which require each teacher to sign attendance sheets.
Some years ago, the payment system was replaced by a computer program that in most cases provides a fixed fee for a particular case.
A few gears in the drivetrain needed to be reproduced by the shop there, the leather interior was redone, and the electrical system was replaced.
This year, the traditional first-come, first-served system was replaced by a lottery after the government was swamped with applications.
The superintendent of the Hartford public school system was replaced yesterday by the state board that oversees the school district's operations.
In 1865 the volunteer system was replaced by the professionally staffed Metropolitan Fire Department, which became the New York City Fire Department.
