The phrase "a specification is necessary" is correct and usable in written English.
It can be used when emphasizing the importance of having a detailed description or requirement for a project or task.
Example: "Before we proceed with the development, a specification is necessary to ensure everyone is on the same page."
Alternatives: "a specification is required" or "a specification is essential."
This specification was necessary for the following reason: Relatively stable courses show a low intraindividual variability (a low RMSE).
Note that this spatial specification was necessary in order to clearly identify signal decreases that were specific to the effect under investigation (i.e., suppressive interactions).
The individual is specified as the unit of analysis, specification being necessary to understand how the case relates to context and a broader body of knowledge [ 48] with fewer cases giving the opportunity for depth of observation (see [ 49]).
If, therefore, we are to employ good legal minds, we must remember that all levels of abstraction, when the terms admit of empirical specification, are necessary to comprehensive and effective communication.
Our results indicate that the genes unc-86, lrs-1, and unc-132, which are required for correct CEM specification, are necessary for ceh-30 transcriptional activation in the CEMs in masculinized hermaphrodites.
Therefore, it needs to use additional methods to see "how good" a specification is and, if necessary, adjust the specification.
For networks of the size often modelled in systems biology, such a specification is laborious and would be necessary every time the model is modified.
So, of course there were a few questions I wish we'd asked ourselves: What technical specifications are necessary to run the content on an iPad or iPhone?
The setting of objectives and making specifications are necessary for management of a project and realistic reliability, maintainability and safety (RAMS) objectives need to be set with due regard to the customer's design and operating requirements and cost constraints.
