The phrase "external method" is correct and usable in written English.
It can be used in contexts where you are referring to a method or approach that originates outside of a particular system or framework.
Example: "The researchers decided to implement an external method to enhance the accuracy of their data analysis."
Alternatives: "outside approach" or "external technique."
Developed QSPR model is validated by the true external method where it showed good accuracy and precision in predicting the formulation composition as experimental t90% (61.35 min) is observed very close to predicted t90% (67.37 min).
The ERS-2 satellite is selected here to serve as an example for recomputation of its orbit using CHAMP- or GRACE-based gravity field models to test their accuracy using an external method.
An external method for quantification of organochlorine compounds based on retention times was used.
However, this requires an external method for handling of interaction, and often this is simply disregarded.
The first set of theses effectively demarcates physical theory as an autonomous domain apart from other domains, that is, rejects any external method, and the second set then operates on the internal workings of physical theory.
This was the external method.
Encyclopædia Britannica, Inc. Ferrous products (i.e., iron and steel) can be recycled by both internal and external methods.
Ferrous products (i.e., iron and steel) can be recycled by both internal and external methods.
Nearly all acknowledged their own helplessness in the face of digital temptation —the word "addictive" was used over and over —and many suggested the solution lay in finding external methods of managing.
The forces acting on the human knee joint have been measured experimentally from both external methods and permanently implanted telemetric devices.
To increase its load carrying capacity, various internal and external methods of applying fibre reinforced polymer (FRP) can be found in the literature.
