3.1.2 A general uniqueness theorem The key issue for uniqueness of solutions turns out to be the maximal slope of a=a(a) to guarantee uniqueness on time interval T=[to, t,, it is sufficient to require existence of a constant M such that
unit 9 Here are the seasons to be jolly I. Basic listening practice the holidays people celebrate, Christmas, Easter, Mother's Day . which are the most important to you? M: Christmas and easter, because they mark events in Jesus Christ's life: his birth and
Uint I. Basic listening practice 1. Script M: Now we have satellite and high-powered microscope, it s easy to think we know everything about the world; but we still dont understand EI Nino W: Right. Scientists all over the world over are even uncertain about the cause of the warm Pacific current that brings storms or drought-the mysterious EI Nino
Uints I. Basic listening practice 1. Script W: I bought a camera from your store. Here's my receipt. I know it's just warranty period, but the camera hasn't worked properly for some time, and now it's not focusing at all. M: We're sorry you've has problem with one of our cameras. I t seems that the camera has suffered some damage, but you've been a regular customer, and wed
Uint I. Basic listening practice 1. Script M: Amy, sit down, we need to talk. Your mother and i are going to separate W: What! Are you crazy? You cant do that! What will my friends say? I just want to have a normal family Q: What is the girl saying?