The phrase "are defined and evaluated" is correct and usable in written English.
It can be used in contexts where you are discussing the process of establishing definitions and assessing something, such as in academic or technical writing.
Example: "In this study, the parameters of the experiment are defined and evaluated to ensure accurate results."
Alternatives: "are established and assessed" or "are specified and analyzed".
Prehistoric activities, racial differences, genetic components of behavior are defined and evaluated.
In the process, several combination schemes of features and classifiers are defined and evaluated over a real data set of personal video recordings.
Global parameters characterizing the performance of the hygroscopic rotor are defined, and evaluated after the numerical results for the cyclic stationary behaviour of a real shape channel.
The heat-flux intensity factors and the thermal-stress intensity factors are defined and evaluated in order to quantify the singular characters of temperature gradients and thermal stresses, respectively, in the near-tip region.
Some quantities characterizing the quality of such systems (quality measures) are defined and evaluated; they are, for example, the average number of level crossings, the average number of maxima, and the departure from normality.
A key reason for this is a lack of standardisation in the way in which programs provided by services are defined and evaluated.
To support evaluations, key performance indicators and targeted outcome measures should be defined and evaluated.
Three different multiplex reaction mixtures were defined and evaluated for the detection of all these 11 genes.
In this paper, various congestion-related metrics were defined and evaluated during placement stage of physical design flow.
A reference case is defined and evaluated taking into account the state of the art of the technology and the related technical constrains.
More specifically, a proper index, referred to as form factor deviation, is defined and evaluated on instantaneous frequency trajectory of the current transient, obtained by means of HHT.
