A preface to the first edition of "..." being unnecessary,I gave none...这个句子的主语是?为什么?

A preface to the first edition of ... being unnecessary,I gave none...这个句子的主语是?为什么? I will write a preface when I have finished the book.和 I will write a preface when I finish the book 的区别, 英语翻译Christopher Gillier once described Elizabeth in her book A Preface to Austen:“Elizabeth Bennet,to take one example,has an independence of mind and a disposition to take control of her relationships which derive from the inertia from the 简爱序言第一句的语法.为什么会用冒号?A preface to the first edition of “Jane Eyre” being unnecessary,I gave none :（这里）this second edition demands a few words both of acknowledgment and miscellaneous remark. The credit goes to the man who convinces the world,not to whom the idea fir DSP实验：FIR滤波器的设计与实现,用matlab语言实现The truncation method of FIR design:a.Follow the math from Lecture #22 to design linear-phase lowpass filters with the cutoff-frequency ωc = π/3 using the truncation method for filter We have a shop fir delivery only The shop only make a take delivery 紧急 on end The two experts worked at the task of writing a preface to the new dictionary for three hours on end.on end是最后的意思吗?In time与on time 为什么on end.不能换成In time?翻译成两个专家及时完成任务? A preface to de first edition of ... being unnecessary,I gave none.这里为什么用being?A preface to de first edition of ... being unnecessary,I gave none.这里为什么用being?用was不可以吗?请再说一下being的用法? Analyze the romantic poems you have read to the influence of the Preface upon the poem writing很急 望 有英语专业的同学帮忙回答一下 ,注：是一道论述题 英语翻译It is with great pleasure that i address my reader in this preface to the writing book.to the writing book在句子中做什么成分?句子怎么翻译?二楼的翻译看不懂 英语翻译As he wrote in his preface to the Plays Pleasant,he could no longer be satisfied with fictitious morals and fictitious good conduct,shedding fictitious glory on robbery,starvation,disease,crime,drink,war,cruelty,and all the other commo 请好好做答,速度最好快,看在我打了这么多的份上.1 we'll take a taxi to the city if the train doesn't arrive on time (改为同义句）We'll take a taxi to the city ____ the train____ on time2 the bell will ring .There will be a fir 英语翻译Direct-Form FIR FilterThe filter coefficients of a direct form FIR filter can be obtained from the difference equation (6).The output of the FIR filter from (6) is a finite length weighted sum of the past inputs and the current input for This is a ture story.Recently,one of my best friends,whom I 've_happiness and sorrow with - the fir The first day when the people along the way heard the noises of the train in the distance andsaw it running quickly to them,they ran back home as quickly as they could and closed their doors tightly,for they thought it a genius.这句话中的the fir I ____ Shanghai traffic ,fir I’ve lived here for more than ten years.A,am used to B,was used to C,used to D,use to 初二英语情景交际题A:Do you like roses?B:Yes,I do.A:Do you know how to plan a rose?B:I don't know.You can tell me.A:First,a hole should be dug.It should be as deep as the root.Oh,no,you'd better put the root in the warm water for 24 hours fir