החיפוש שביצעת - international communication based dispersion ((basic linear) or (based library)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
international communication » interpersonal communication, international cooperation, intercultural communication
communication based » communication between
based dispersion » wave dispersion, gas dispersion, based discussion
basic linear » quasi linear, basic life

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