Anh
sphere of activity
sphere of influence
Đức
Anziehungsbereich
Wirkungsbereich
Pháp
gravisphère
sphère d'action
sphère d'influence
sphere of activity,sphere of influence /SCIENCE/
[DE] Anziehungsbereich; Wirkungsbereich
[EN] sphere of activity; sphere of influence
[FR] gravisphère; sphère d' action; sphère d' influence