reversal of current वाक्य

For Clio's prediction to be right, one has to posit a reversal of current trends.
The last of these envisions an eventual reversal of current trends that spares much of the Pacific and destroys most of the Atlantic.
The prevailing view among private-sector think tanks is that economic recovery has become an even more distant hope, though some forecast a reversal of current trends within the next six months.
Its toll is illustrated in part by the refugees who, in a wry reversal of current immigration patterns, escape the deep freeze by streaming south across the U . S . border with Mexico.
Power devices such as silicon controlled rectifiers and thyristors ( as well as the mercury valve and thyratron ) allow control of the start of conduction, but rely on periodic reversal of current flow to turn them off.