The phrase "abrupt nature" is correct and usable in written English.
It can be used to describe something that is sudden or unexpected in character or quality.
Example: "The abrupt nature of the change in weather caught everyone off guard."
Alternatives: "sudden quality" or "unexpected character".
Amid the complicated, multilayered and rather abrupt nature of Turkish politics, one trend, however, remains clear.
Still, the abrupt nature of the move — coinciding with a visit to Washington by Ms. Merkel — angered many.
The abrupt nature of the dismissal has been the talk of Casablanca business circles for the past week, and has refocused attention on the king's business activities.
Yet the FA has wanted to acknowledge Rooney's achievements with the national side, particularly given the rather abrupt nature of his retirement from the team.
The abrupt nature of Mattis's departure raises questions about who else may leave the Pentagon in coming weeks, thrusting the department further into chaos.
Rather, protests are about expectations that are generated by the abrupt nature of change and by a collective sense of social injustice.
The abrupt, chaotic nature of the move — and the opposition it immediately provoked on Capitol Hill and beyond — raised questions about how Mr. Trump will follow through with the full withdrawal.
The roots of Iraq and Afghanistan's tragedy lie in the abrupt and imposed nature of change.
But here, in a region that was once emblematic of the British automobile industry, the abrupt and secretive nature of BMW's departure has created a blend of emotions -- shock, betrayal, anger and despondency.
"My response may have been abrupt but given the nature of her email to me was appropriate," Bernardi tweeted.
Because the statistical moment-based approach only exploits a global statistical nature by abrupt discontinuities, the CF moment-based splicing detection approach can be an effective solution to extract features for splicing detection.
