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例：威尼斯的小艇成了主要的交通工具,等于大街上的汽车.（1）电脑成了__________,等于__________. 贺国强在宁夏成立50周年庆祝大会上的讲话内容 保险装置一般在电路的什么位置? 0-5v量程,四位显示的数字电压表要用几位的A/D? 怎样确定积分表达式即f(x,y)是如何确定的.如何确定图片中的被积函数？ 积分求v的表达式 求一个表达式的积分?∫1/[x(x+2)]dx也就是 x(x+2) 这个乘积的倒数的积分 ,尽量写上步骤 保险装置：通常把它串联在电路中,它能在家庭电路中电流＿＿时,自动切断电路． 如何积分得到v的表达式,求过程 大致怎么造句!急需! 求幂级数和函数求幂级数∑(n=1,∞)(x*n)/n的和函数,我想问下S'(x)=∑(n=1,∞)x*n又等于1/(1-x),怎么来的1/(1-x) 电路过载时,保险装置如何动作的 请大家帮忙修改下我的英语语法呢,Today,we checked 260pcs,it's ok,please kindly find attached inspection photos!Now,Yijian factory have about 7800pcs,they will plan to finish the rework later today.The rest of goods will arrive to Yijian 请问下面这段英语有哪些语法?请问下面这段有哪些语法?Some athletes also take drugs normally used to relieve stress in patients who suffer form high blood pressure or who have heart problems. Snooker players, archers and those who 以(3,0)为圆心,5为半径画圆,则该圆与y轴交点的坐标为 以（3,0）为圆心,以2为半径画弧,圆与X轴交点坐标为? 以点(4,0)为圆心,以2为半径画圆,那么这个圆与x轴的交点坐标为_______ 以P（0,2）点为圆心,以3为半径画圆,写出圆与y轴的交点的坐标 复数一元二次方程中,判别式 需要英文的大大帮我改语法To find out what subject it’s the best choice for himself is really important for a first year college student.We need to help them get in the best class they interested in.That’s effect the whole college lives Founder MutationA founder of a distinct population passed down the mutation which found in DNA to other generation is called the founder mutation.Most founder mutations are recessive.The example of founder mutation is hereditary hemochromatosis,and i 英语中副词位置问题an really forgettable day 还是 really an forgettable day 关于英语副词位置的问题he does everything perfectly?还是he does perfectly everything?哪个对?为什么? 英语副词的位置问题They therefore can learn English well这句话中,therefore为什么会放在can前面,副词不是放在情态动词之后的吗Many fast food restaurant ,therefore,have red furniture or walls.还有这句话看不懂， 泰勒公式,怎么熟练的运用泰勒公式 LED变色原理一通电就慢慢变 以点（3,0）为圆心,半径为5的圆与x轴交点坐标为___,与y轴交点坐标为____. 英语中副词的位置在 英文语法修改请帮我修改下以下2段的语法,能改多少就该多少Teachers often play a significant role in the field of education.Their interaction with the students directly influences the children’s attempt to learn as well as thei 变色发光二极管原理 如图,圆O的半径为定长r,A是圆O内一个定点,P是圆 上任意一点,线段AP的垂直平分线l和半径OP相交于点 Q..如图,圆O的半径为定长r,A是圆O内一个定点,P是圆 上任意一点,线段AP的垂直平分线l和半径OP 如图,在圆o的直径上取一点p,以p为圆心,以ap为半径作圆p,过a点的两直线分别与圆o,圆p交于c、d和e、f,求证：cd平行ef