The phrase "and it is modified" is correct and usable in written English.
You can use it when discussing changes or alterations made to a subject or object in a sentence.
Example: "The original document was lengthy, and it is modified to include only the essential information."
Alternatives: "and it has been altered" or "and it is adjusted".
An application is monitored, its performance bottlenecks are detected and it is modified automatically during the execution, without recompiling or re-running it.
The state of a change detection algorithm is the runtime status of its data structures and variables and it is modified when either feedback is supplied to the algorithm or a data item for change detection.
In dry sand the rolling resistance increases with velocity until the tire starts to "plane," where it levels off or decreases and it is modified by load.
The second airframe is designed using conceptual design approach with a typical mission profile, and it is modified based on evaluation of the first airframe.
The kinematic factor in the expression for stopping power is proportional to the square of the nuclear charge of the penetrating particle, and it is modified to account for electron capture as the particle slows down.
Insulin-like signaling is a critical regulator, and it is modified by and acts through microRNAs.
It changed, and it was modified and tweaked.
For said purpose, a reference self-compacting concrete (SCC) was designed and it was modified to obtain other two SCCs with different water to cement ratios.
The interview questionnaires were based on previous research conducted by Kim and Suh (2007), Lee and Suh (2008), and it was modified after the preliminary survey was completed.
Flight tests indicated the need for a change in ramp design, and it was modified to a ski-jump profile.
The story was once again brought up during a story pitch for season three of Next Generation, and it was modified by several staff writers.
