The phrase "array of obstacles" is correct and usable in written English.
It can be used to describe a variety of challenges or difficulties that one may face in a situation.
Example: "The project was delayed due to an array of obstacles, including budget cuts and staffing shortages."
Alternatives: "a range of challenges" or "a multitude of hurdles."
Yet an array of obstacles has emerged, from local opposition to a balky approval process.
Yet legislation that the Senate approved last month faces a troubling array of obstacles.
But I recognize the profound differences between her and Trump on race, gender, immigration and climate, and her extraordinary strength, tenacity and courage in facing and nearly overcoming an astonishing array of obstacles to win the popular vote.
In this thrillingly inventive production, which runs at St. Ann's Warehouse in Brooklyn through Sunday, performers in search of lost time find themselves faced with a herculean array of obstacles and chimera.
While state lawmakers may sweep away New York's notoriously tough rules for letting candidates onto Republican presidential primary ballots, state law still puts an array of obstacles in the way of people who would run for lesser offices, in any party.
After two and a half years of pushing by a fractious opposition, the door to a recall vote on President Hugo Chávez's rule has finally swung open, but his opponents face an array of obstacles that could still stall their effort to end his turbulent presidency.
Silicon based MEMS technology is used to fabricate devices containing arrays of obstacles with varying size, spacing and number.
Deterministic ratchets, also called lateral displacement arrays, consist of periodic arrays of obstacles, spaced such that suspended particles having a minimum size are displaced.
As examples, we study diffusion and flow in stratified and macroscopically heterogeneous porous media and flow through periodic arrays of obstacles.
Then, the base case of a single pore and droplet is extended to include arrays of obstacles (creating a porous network domain) with different droplet volume fraction.
In these weak pinning conditions, the geometry of the front quantitatively agrees with the first-order expansion proposed by Gao and Rice [1989. First-order perturbation analysis of crack trapping by arrays of obstacles. J. Appl. Mech.
