曲线积分几何意义

英语翻译.. 翻译一下这个短语a handful staff in a given area of expertise that you can count on to get the job done 英语翻译 I will return to Guiyang,it is necessary to start a new I will return to Guiyang,it is necessary to start a new life.I came to say goodbye to you,I sent flowers and all my friends,this flower is given to you!主要是这句. 抱歉,这词该怎么解释. 解释词语~或许 内蒙古拥有得天独厚的风力资源,是我国北部的风能富集区.在2008年奥运会之前分两期兴建了总装机容量为12万千瓦的风力发电厂.建成后,若采用110kV电压向北京输电.已知从内蒙古到北京的输电 “亲爱的”这个词一般用来称呼谁呢? 英语翻译一共有四个人,我的妈妈爸爸还有我的弟弟. 80 years old与80-year-old的区别.如：Kate is a 14-year-old girl.与Kate is 14 years old.用法区别 对你我并不愧疚 英文怎么说? And the soul afraid of dying that never learns to live是哪首歌的歌词,求歌名啊 亲爱的这个词是怎样来的 我都不知道该怎么称呼你了,你不再是我的亲爱的了.我爱过你吗?你真爱过我吗? 如图,梯形ABCD中,AD∥BC,CD⊥BC,已知AB=5,BC=6,cosB=3535．点O为BC边上的动点,以O为圆心,BO为半径的⊙O交边AB于点P．（1）设OB=x,BP=y,求y与x的函数关系式,并写出函数定义域；（2）当⊙O与以点D为圆心,DC 内疚和愧疚意思一样吗? 帮我用最清楚的话解释一下? 羞愧、惭愧、愧疚、内疚、歉疚的区别和用法,可以的话帮我分别造五个句.希望大师们不吝赐教,先谢过了! 短语翻译 英语“独立主格结构”的的问题~我是广东省普通高中高三的文科的同学,看到这一结构后有了兴趣,所以来问问~首先,我想知道这个结构用在哪里,口语还是书面语?可不可以用在我们现在的考试 一道初三数学综合体的第二小题 1 2两小题我会做关键是第三小题如图,在平面直角坐标系中,二次函数y=x2+bx+c的图象与x轴交于A、B两点,A点在原点的左侧,B点的坐标为（4,0）,与y轴交于C（0,-4）点,点P是直线BC下方的抛物线上一 look,she is that girl __often helps me.A.what B.who C.which 暑假作业四年级2.8x+6=78-x 怎么解 亲们~帮我写篇英语短文吧!急用!大二第一学期用的.就是英语短对话,下面是情景.谢A’s handbag was stolen in a restaurant.He reports to the police.A police man asks him about the details.There a lot of food stalls(小吃摊 一到十题, And Ronaldo ,the great brazilian soccer piayger ,piayger for his national team when he was seventee 罗纳尔多厉害吗? Bob ____playing football and he is good at it.He plays_____RonaldoA.likes;likes B.like;like C.likes;liking D.likes;like I could swim when i was five yeas old .改成同义句 I could swim_____ ____ ____ _____five. He could swim when he was five,and l could swim,too.（使两句意思基本一致）He could swim when he was five.( ) ( ) ( ) 求在y=3x方-2中x的取值范围. Mei Lanfang began performing Beijing Opera when he was ten改为同义句