делить пополам
• Bisect the side AB (or the angle BAC).
• The great circle bisects the celestial sphere.
• Divide the arc in two.
Источник:
Русско-английский научно-технический словарь
на Gufo.me
• Bisect the side AB (or the angle BAC).
• The great circle bisects the celestial sphere.
• Divide the arc in two.