Given a sentence in Spanish, provide an equivalent paraphrased translation in English that retains the same meaning both through the translation and the paraphrase.

Suponiendo que las relaciones causales son lineales, este conocimiento de fondo se puede expresar en la siguiente especificación del modelo de ecuación estructural (SEM).
Assuming that the causal relationships are linear , this background knowledge can be expressed in the following SEM specification ( Structural Equalization Model ) .