החיפוש שביצעת - communication collision basic dimensions ((some linear) or (simple linear)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication collision » communication commission, communication cohesion, communication collections
basic dimensions » based dimension, pacific dimensions, design dimensions
collision basic » collision based, collection basic, collections basic
some linear » time linear, some nonlinear
simple » sample

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