double green meaning in English
连体果岭
双洞果岭 两个旗杆洞共用一个推杆果岭，通常两个球洞方向相反。这是早期的高球运动的遗风，当时击球是在同一个球道来回击球
Examples
- Studies on ld end - pumped nd : gdvo4 ktp intra - cavity - frequency - doubling green laser
腔内倍频绿光激光器的研究 - High - power high - efficiency nd yvo4 ktp intracavity - doubled green laser end - pumped by a diode - laser - array
腔内倍频连续绿光激光器研究 - Another peculiar feature of the old course is the double greens where the outward and inward holes are cut on the same putting surface
老球场的另外一个特点是双果岭，外洞内洞在同一个击球平面上。