The phrase 'fast and smoothly' is grammatically correct and can be used in written English.
It is typically used to describe how an action or process is being performed, emphasizing speed and efficiency. Example: The new computer software allows the system to run fast and smoothly, greatly improving productivity in the office.
Simulation results illustrate the good performance of the control system proposed with tracking errors converge to zero fast and smoothly in exponential form at last, which show that the tracking effect remains good and satisfactory that can provide an effective theoretical guidance and technical support for the control system design of the AUV in future.
In other words, users can type text fast and smoothly with a keyboard once they get used to it.
The kind of hardware required to render (or draw) highly detailed, near photo realistic images, then move them fast and smoothly enough to captivate the human eye, was not trivial.
Within the first few minutes, it quickly became apparent that the cartoon world around me could be navigated fast and smoothly without hesitating or constricting my movements to avoid bumping into or tripping over things.
So how do you run fast and smoothly?
Typical records for 0.29- μm beads that rotated relatively fast and smoothly for >100 revolutions are shown in Fig. 4 (we could not ascertain whether these beads were single or duplex, because the resolution of the objective lens used was low).
Mr. White's cherished pop-music videos, with their fast editing and smoothly polished surfaces, stand in obvious contrast to the rough, knotty work of artists like Mr. Kuchar and Mr. Harris.
GTR1DA appears to converge very fast and very smoothly, without any fluctuations or sudden increase in the process.
His response to this challenge, and all those that followed, was to play faster and more smoothly, using sweep-picking and extended harmony.
