Such problems require more irregular processing, with frequent shifts from one kind of calculation to another.

The nights were still murderous, but with frequent shifts of duty we managed to get through them.

Economic policy is subject to frequent minor shifts which represent something rather more fundamental.

These days, he said, he can afford to send his 11-year-old son to Roman Catholic school only by putting in frequent 16-hour shifts.

Jackson's team described the negotiations as frustrating, with frequent shifts of position by the other side.

More frequent shifts in machinery demand greater employee resourcefulness.

But current and former employees said the venture had been dogged by constant delays and frequent shifts in strategy.

Since the lifesystems on board don't work terribly well, we take frequent shifts.

But he returned and played frequent shifts.

It wasn't significant; young priests made frequent shifts to where they were most needed at any particular time.