The phrase "accurately maintaining" is correct and usable in written English.
You can use it when discussing the act of keeping something in a precise or correct state over time.
Example: "The technician is accurately maintaining the equipment to ensure optimal performance."
Alternatives: "precisely preserving" or "correctly upholding".
Nonetheless, it accurately maintains a pre-Tang dynasty (618 907) style.
Mr. Epstein suggests in view of this & other statements "Newsweek" cannot now accurately maintain that it "essentially dismissed" rather than repeated, the Panther charge.
The gyroscope tends therefore to point in a constant direction in space, allowing the orientation of the vehicle to be accurately maintained.
Accurately maintained gaps may not only provide desired mechanical response but also enable position-sensing and signal transduction between the substrates.
A highly-sensitive radial strain measurement device was designed and the K0 state can be accurately maintained by automatically adjusting the radial pressure when radial deformation changes more than ± 10 μm.
The organization has revoked those credentials when registrars violate the terms of the Registrar Accreditation Agreement, such as it did with Parava Networks in 2009 for, among other violations, failing to accurately maintain information about some Web sites it had registered.
Time stamps were accurately maintained with an accuracy better than 1 ms, using GPS time.
Temperature was varied below 100 °C because the boiling temperature of water, 100 °C, was not accurately maintained.
The content of cholesterol in brain must be accurately maintained in order to keep brain function well.
In order to accurately maintain the critical bus voltage, a PI controller is used to represent the magnitude of the voltage deviation and provide a reference for the ESBCs Step 3: Communication.
