This is the 16302nd most frequent Russian word.
регулу
The word "регулу" seems unclear or incomplete. If you mean "регул", it is not a standard Russian word. If referring to "регула", it could mean "rule" or "regulation" (rare/archaic usage). Context is needed for clarity.
The word 'регулу' refers to an instrument, likely a regulator, indicating its necessity in the context of the experiment preparation.
Регулу необходимо проверить перед началом эксперимента.
The regulator needs to be checked before starting the experiment.
Here, 'регулами' denotes natural laws or regulators, implying a theoretical aspect related to physics and their governing principles.
Учёные обсуждали последнюю теорию относительности и её связь с природными регулами.
Scientists discussed the latest theory of relativity and its connection to natural regulators.
In this case, 'регулы' is used to refer to an old mechanical part or instrument that aids in adjustment or calibration of machinery.