The phrase 'precise methods' is correct and is commonly used in written English.
You can use this phrase to talk about a particular system of doing something that produces accurate results. For example: Scientists use precise methods to measure exact amounts of chemicals in a lab.
While at Göttingen, Schwarzschild introduced precise methods in photographic photometry.
Precise methods must be followed; figures must be depicted a certain way.
The brain seems to rely on less precise methods of signalling.
Scientology is a technological religion and claims to have developed "exact, precise methods to increase man's spiritual awareness and capability".
The real question, then, is, Why should imprecise and often dangerous predictors (like SAT results) be morally acceptable but more precise methods (like genes) be morally repugnant?
The young players may not have known Francis's precise methods, but they seemed to have a sense that they had better do something pretty spectacular, and quickly.
She would not go into details of the precise methods, but said the main one was only to take new clients through trusted recommendation.
However, different folate derivatives support distinct biochemical functions, suggesting a need to develop more precise methods.
Through his patient, precise methods, the story of corrupt public servants' illegal involvement in the oil leases (including bribery of one Cabinet member) was revealed 18 months later.
This is due largely to lack of precise methods for direct and comprehensive comparison at the molecular level of the mouse and human tumors.
Neurosurgery, a medical specialty related to neurology, has also benefited from CT scanning and other increasingly precise methods of locating lesions and other abnormalities in nervous tissues.
