The phrase "a reference system of" is correct and usable in written English.
It can be used when discussing frameworks, models, or structures that provide context or guidance for understanding a particular subject or phenomenon.
Example: "In our study, we established a reference system of key variables to analyze the data effectively."
Alternatives: "a framework of" or "a system of reference".
A reference system of this kind is likely to be in place since all males and females must respond appropriately to conspecific songs they have not heard before and that, in the case of females, they are not able to produce.
WordNet® is a reference system of "Nouns, verbs, adjectives and adverbs grouped into sets of cognitive synonyms, each representing one underlying lexical concept".
In the United States, the National Institute of Environmental Health Sciences (NIEHS) has created the National Center for Toxicogenomics (NCT) to provide a reference system of genomewide gene expression data and to develop a knowledge base of chemical effects in biological systems (Tennant 2002).
A given hydrocarbon gas-water-model oil system, used as a reference system for testing of new hydrate inhibitors, has been evaluated for experimental reproducibility of hydrate formation and behavior at low conditions.
Table 1 Habitat types, derived from the German Red Data Book on endangered habitats [33, 36], used in this study for the establishment of a reference system to evaluate the biological state of the soil Habitat type number Description 33.
The herein presented method for the profiling of 13-HOD conversion might serve as a reference system for the classification of currently applied economic plants with strong or weak oxidative capacities.
The low temperature nitrogen graphite system, being relatively simple, presents, however, a significant challenge in accurate description of the experimental adsorption isotherm at 77 K, which is widely used as a reference system in characterization of porous carbon materials.
More commonly however a grid is used as a referencing system so that the coordinates of all boundary turning points can be measured, calculated and recorded.
Due to the fact that the beagle is the dog breed most commonly used in animal studies [ 3, 15- 17, 19], the development of a reference system representing the average anatomy of the beagle brain might be helpful for future studies.
We chose a reference system that exhibits formation of given stripe number, and perturbed the system by randomly modifying its threshold value of gene regulation Kj→i while preserving the network topology.
For the convenience of description of the relationship between the components of cycloid ball planetary transmission, this paper adopts a servo reference system of eccentric shaft (input shaft).
