ways a well-defined technical.There are several differen any o which more accurate results with less effort. Words and Expressions 到指 示立行的 derivative[diaw】aj.引出的号出前 .导（函）数撞分 uninguainl 日
Unit4 Unit 4 ■ Robot Chauffeurs Dr.Lub Vlacic's tcam at Brin Griffith University is developing They are able to asse late a safe di ch to follow anothe g c ss if the erride the driver and cause the car to no doubt save lives,it may pr blem for the maker s of fims tha inclide car chase- -some of the impact may be lost when we live in a world where our cars simply refuse to do anything unsafe. Another feature of the work of Dr.Liubo Vlacic's team is to have the machines communicate with cach other.Since messages can go at the speed of lieht.it is possible for there to be an exchange of information on the intentions of several machines approuching an interscction.With this knowledge it should be posible to ensure that traffic flows far more smoothly. ersity of Qeensland.Gordor mma familia to many per owners The sign with an d and find th narkably.Corgi is based on a $20 microo Mr.Wyeth to believe that such robots built for less than S100 could undertake
aa rsity of Queenslan Here.robots from around the world play soccer with a golf ball against each other on a ficld the size of a table tennis table,and Mr.Wycth is hoping the robot team will carry Australia's flag further than its human equivalent mananed☒. Words and Expressions interscction[it)'skn].道路交义 microprocessor Tamatkou'prousesor) m。数型信息处 m,式足球 1.高夫球 ■otes 1 Whike:虽然 2.Mr.Wycth is hoping the obot team will carry Australia's flag further than 机器火队将会比队做利更好一止淡大利亚的国旗 日
Unit 5 Unit 5 Automatic Doors for Heron. he Eg automatically opening doors for the templeso akeatfordesigningmethaniadwontes y.His esign fo who for rics had used their sthority Emploving relatively simple mechanical principles,Heron devised a means whereby the doors of a small temple would open as if by unseen hands when the priest lit a fire on the altar outside the temple.The fire hcated the air in a metal globe placed beneath the altar.forcing the water in it through a pipe into an enormous bucket.The bucket was suspended by chains from a system of weights and pulleys,which turned the doors on their pivots as the bucket became heavier. A scond surprisc took placc when the altar firc was put out.As ao the suden of the ir in the globe.the water was sucked the otherway through the pipe.When the bucket emptied,it went upward,making the pulley system mo e in reverse nd the sasmw design inclu n Heron There ned be litte doubt that the system described by Heron elsewhere in th sing to a similar system used
yother engincers "Some instead of water achine Heron's desion Words and Expressions s'perxd] vs] 向相反方向 日