Je was op zoek naar: hypotheses (Engels - Catalaans)

hypotheses
hipòtesi

the requirements specified in the current chapter are based on these hypotheses.
els requeriments especificats en el present capítol estan en base a aquestes hipòtesis.

the calculation of the non vital service reliability of a system is identical to the basic reliability calculation, modifying the definition of failure and establishing the new hypotheses of the contemplated scenario.
el càlcul de la fiabilitat de servei no-vital del sistema es realitza de forma idèntica a la de la fiabilitat bàsica, modificant la definició de fallada i establint les noves hipòtesis de l’escenari contemplat.

we need a new science down there, and it's called quantum physics... and it is subject to a whole range of debatable hypotheses... thoughts, feelings, intuitions as to what the heck is really going on.
aaquestaescaia, hihaungrandesori. lafísicasucatómica pretènexpiicaraixó.