矢量的点乘和叉乘

0、-1、-2、1、2、3、4、5、6. 1xx xx2 xx5xxx 1x5 9xx3xx xxx 24xxxx xx3 7x9xxx x9x 6x4xxx 2xx 85xxxx 376 xxx9xx xx8 xx2xxx 9xx x37 呻呤怎么造句 呻呤什么意思 给你一亿你会去做什么? 给你一亿美元你会做什么? 如果你有(一亿)元,你会干什么? 每100粒米有2.5克,那么一亿粒米有多少克 知无不言,言无不尽.下一句是啥啊? 描写色彩的排比句（我没赏金!还希望个位帮个忙） 我会用（ ）,（ ）来赞美亲爱的老师 Every day the students have fun ______ the computer games.A.to play B.to play with C.playing D.playing with 看完阅读后请回答问题.The Grand HotelIt is a beautiful hotel in the centre of town.It is a big hotel with 120 rooms.The rooms are all very clean and warm but they are quiet noisy.The hotel staff are polite but not very friendly.This is not t 急用Fill in the blanks with the correct forms of the given words.1.Spring in China ( )(last) from February to April.2.She ( ) (send) you an e-mail as soon as she ( )(arrive) in Beijing.3.Millions of year ago,people( )(live) in caves.4.I like wood ( 用英语解释下列句子1.What was the weather like the day before yesterday?2.Candy is going to visit Ken on Sunday.3.He inwited us to his birthday party.4.She lost her handbag yesterday,so she was very sad.5.He found it very different to sleep.6 女和儿是反义词吗?如果不是,那是什么? 为什么DO看样子是开音节却O却发[u:]的音? rhel as 4 必须付费使用吗? rhel和as有什么不同?rhel我知道是一个linux版本,那linux as又是什么?和rhel是什么关系? do to 都是开音节,为什进么元音字母不发本身音? rhel as 4 使用必须付费?red head enterprise linux as 4 the failure is because of her vain 这句话错了么?如果错了,错在哪里?请解释一下~ stem initialization failed because of unknown 算法和数据结构里面,AVL-tree概念的问题,An operation for an application that uses an AVL-tree is of O(log2 N) time.It takes about 50milliseconds to run on a collection of 10,000 elements.How long would you expect it wouldtake to run on a Range为间断区域时查找数据个数用那个公式好?Range是规律性间断的区域 孰能生巧是什么意思 刘禹锡的雅号叫什么 刘禹锡的号是什么? 是犹源浊而水清,理不可得.《贞观政要．诚信》里面的 车辆质量1000KG,以抛物线运动方式驶出道路,飞行距离为8M,高差5.4M, 是犹源浊而望水清,理不可得的意思 以一个已知角度发射小球,1.用垂直移动表示飞行时间,已知发射高度y0,2.已知初速度求水平距离x