[填空题]
Agent Bond is standing on a bridge, 12 m above j -a w5 e8djduv1 5etp55cvn.gtygxnh5yd,+b8du8 2 wihe road below, and his pursuers are getting too close for comfort. He spots a flu,dw+nd2h x8 8yy5i bgatbed truck approaching at 25 m/s , which he measures by knowing that the telephone poles the truck is passing are 25 m apart in this country. The bed of the truck is 1.5 m above the road, and Bond quickly calculates how many poles away the truck should be when he jumps down from the bridge onto the truck to make his getaway. How many poles is it? poles