"unprecedented ease" is a correct phrase and can be used in written English.
It means something is unusually easy or effortless, unlike anything that has been experienced before. Example sentence: "Thanks to advancements in technology, completing complex tasks has become a matter of unprecedented ease."
The prokaryotic clustered regularly interspaced short palindromic repeat (CRISPR) system, recently harnessed for transcriptional regulation in various heterologous host cells, offers unprecedented ease in designing synthetic TFs.
The system is so flexible and so easy to customize, said Robert Fitzsimmons, the director of technology for E.M.P., that the museum's electronic sights and sounds can be reprogrammed with unprecedented ease and speed.
Instantaneous global communications, cell phones, the free flow of commercial data, an untethered Internet, and the unprecedented ease of travel have erased the once rigid distinction between what is native and what is foreign.
Genome modification by CRISPR/Cas offers its users the ability to target endogenous sites in the genome for cleavage and for engineering precise genomic changes using template-directed repair, all with unprecedented ease and flexibility of targeting.
The views were revealed in one of the first major surveys of public opinion on a new generation of genetic technologies that have given scientists the power to alter the DNA of living organisms with unprecedented ease and precision.
Technology has given us the tools to capture, represent, and store new forms of information, to access information with unprecedented ease, to maintain and browse huge information archives, and to communicate and collaborate in ways that could not have been anticipated even a decade ago.
Many say that Mr. Kim's best moment came when he traveled to Pyongyang and met with Kim Jong-in in 2000 in the first summit meeting between the Koreas, leading to an unprecedented easing of tensions.
Microsoft aside, there has been an unprecedented easing in antitrust policy by the Department of Justice and the Federal Trade Commission.
An intramolecular Cannizzaro-type hydride transfer to an in situ prepared allene enables the synthesis of ortho-fused 4-substituted cycloocta-2,5-dien-1-ones with unprecedented technical ease for an eight-ring carboannulation.
The central bank is also widely expected to add to its already unprecedented monetary easing by pumping more cash into the economy later this year.
Unprecedented monetary easing in the US (or at least unprecedented in peacetime) has not led to much of an increase in US employment, which is still below its previous peak.
