【计】 多倍精度浮点

buy long【金融】;forward buying【金融】

long period interspersion

long cord

long-drawn-out project (a project which takes so long that young workersbecome bearded)

a long dozen

long shunt compound winding【电】

Ligation and division and complete stripping of long and short saphenous vein--unilateral

long-range planning【计划】;long-term plan【计划】