台湾人评论中国高铁

什么是负反馈控制 正反馈和负反馈有什么特点,应用在什么场合? 为什么电流负反馈通常用在自动控制系统中 I am feeling rather blue today是什么意思 I love you ten years like one day precipitation,also let you today a piece of blue sky.求翻译. 解释句子Love begins with a smile,grows with a kiss.Love begins with a smile,grows with a kiss,ends with a tear.When you were born,you were crying and everyone around you was smiling.Live your life so that when you die,you’re the one smiling and 把下列单数句子变为复数句子/复数句子变为单数句子.1 is it an English book?2 He is a good boy 3 Thoes are eggs?4 Are they Chinese cars? 分别把下列单数句子变为复数形式,把复数形式句子变为单数1.The girl has an alarm clock.2.That volleyball is under the brd.3.Does he watch TV every day.4.These friends are in my deb room.5.His cousins play basketball at school. 自动控制理论中讲的负反馈,和模拟电子中的负反馈有什么区别吗,都是深度负反馈吗?深度负反馈净输入量为0,在自控中,输入量为0还能控制被控对象吗? 读书百遍其义自现 英文翻译 “他可以不去上学”和“他不可以去上学”用英语翻译该怎么说?如何区别? He asked whom the little girl （）（look）for.括号中填look的形式 "why are you crying?"he asked the little girl 改成间接引语下面句子已给一部分 he asked the little girl ___ ___ ___ ___ 填4空 简述反馈控制电路与负反馈电路的区别 有人能回答我负反馈和其它反馈电路有什么差别吗? 阿那克西米奇说了什么话才使家乡避免毁坏? 用about what about for造句 "uygur", UYGUR是什么意思?uygur",什么意思 It is something that only man has .能不能翻译一下. 怎么吃西米,西米的作用 吃西米的好处 西米吃了有什么好处 what和how构成的句型 关于What 和 How 的句型（What 还是 How）important advice Dr Li gave us 维吾尔英语 维吾尔族用英语怎么说 请推荐一下有关翻译词汇方面的书（各方面的词汇,包括笔译和口译） 口译/翻译词汇书有没有必要买? 推荐一本CATTI3级口译的词汇书 中高口译词汇书哪个比较好 Let's buy some Halloween__________.7A Unit 3 Reading CLet's buy some Halloween_______.Let's_________!How do we make a _______?These candies are a special________when we play________.