The phrase "a template by which" is correct and usable in written English.
It can be used when referring to a model or example that serves as a guide for creating something.
Example: "The document serves as a template by which all future reports should be structured."
Alternatives: "a model through which" or "a framework for which".
The hypothesis is that by looking into someone's face as an infant you get a template by which to judge your future mate.
Haussmann's methods provided a template by which urban redevelopment programs would operate in Europe and the United States until nearly the end of the 20th century, and they would extend their influence in much of the developing world after that.
Lam says that his experience, especially through the formative years of blogging, has given him a template by which to build a 'traditional' media company that could make a lot of money — for example, sites that produce shareable content that doesn't require expertise in a specific area.
His intellect, calm demeanor and practicality led to the creation of the Coalition of Essential Schools and a template by which any secondary school could improve from within.
Some film theorists have argued that The Wind Will Carry Us provides a template by which a filmmaker can communicate metaphysical reality.
Our insights into the molecular mechanism of remodeling the nuclear envelope for viral nuclear egress provide a molecular template by which nucleo-cytoplasmic transport can occur.
A comparison of conserved and nonconserved regions of CA catalytic site of various CA isozymes provides a template by virtue of which these subtle differences can be exploited for the design of isozyme selective CA inhibitors.
Because so many publishers still use InDesign for their original layout files, and those need to be used by Inkling as the template by which to create the interactive version, it will likely be a slow disruption.
These events set the template by which future outbreaks might be successfully contained.
Using PMSST, a clinical researcher designs a data schema (a template) by using SDTM variables on which she writes scripts (i.e., SAS [ 31]) for surveillance studies.
