弹性力学和材料力学应力的符号的异同

谁能告诉我荷兰首都阿姆斯特丹的介绍? 该怎样发展荷兰首都阿姆斯特丹的经济?（简单一点就可以了） 荷兰首都阿姆斯特丹是哪只球队的主场啊? 荷兰首都是阿姆斯特丹吗 英语翻译Hope you feel better now.Houston is not cold at all in the winter.However,it is very hot in the summer time.The weather is similar to Shanghai in most of time.We have center control air conditioner (AC) any way,so living in Houston is com 英语翻译Having read the novel last year on holiday,I was looking forward to seeing the film. 英语翻译I would like to know you more if you dont mind could you pls tell me more about yourseif?By telling me what you came here to look for,and also what you like and what you dont like just tell me anything you would like me to know about you. 用一根76分米长的铁丝围成一个长方体框架,如果长和宽都是7分米,高是多少分米? 用一根长8.7米的铁丝,焊接成一个长方体框架模型,这个框架长为12分米,宽为5分米,高是多少分米? 用96分米长的铁丝焊成一个长方体框架,长方体的长宽高之比是4:3:1.这个长方体的长宽高是多少? 英语翻译首先非常感谢贵司能够给我司机会试用,试用从十月底开始至今.试用下来听维修部人员反映跟现在贵司所使用产品无明显差异.而我们能够提供更好的售后服务(见附件).另:想问问,我 英语翻译本文主要研究了基于差分混沌键控（DCSK）的UWB通信系统,并对该系统进行了仿真,最后,对仿真后的数据进行了分析,得出DCSK应用于UWB通信系统中可行结论.不要用翻译软件 用铁丝焊一个长6分米、宽5分米、高2分米的长方体框架,至少需铁丝多少分米 Many people were forced to leave their homeland during the war.改为主动句. the second world war (during which )millions of people were killed ended in1945问什么填during which我们老师说不错在during which这种用法啊.我们老师说存在在during which这种用法啊.只有during which time 英语翻译But what did that mean as far as the girl was concerned?Media?Or waitress?Designer? 英语翻译It was summer and the nature around was alive,blooming with energy the way smiles on the photo sparkle with energy of youth,with dreams and with the confidence that we have all time in universe to live our lives. in the past,many people died of___(hungry) 英语翻译burn her daughter's stuffed animalsmeet her expectationsattend a sleepover有关棒球的pitcherbattersingledoubletriplestrike outpitchdouble teamingtechnical foulkeepaway gameplayers may pass the ball back and forth among themselves unti 帮我改个好听一点的英文名!我叫晓桐,请帮我改个好听一点、特别一点、酷一点的英文名~包含y、i 的 英语翻译与寂寞有染 翻译成英语 It was a wonder that ___little food saved___many lives during the war.a)such,so b)so ,so答案为什么是a呢 我记得little many之前只能用so,不能用such,语法书上也这么说,是答案错了还是这道题的理解不应该这样呢,大 It was really a wonder that ____little food saved ____many lives.A.so ; such B.so ; so C.such ; so D.such ; such 为什么? It is little wonder that they went land-mad,because there was so much of it.They cut and burned tIt is little wonder that they went land-mad,because there was so much of it.They cut and burned the forests to make room for crops; they abandoned their it is no wonder that was late 这句话对么?that后要不要加 it? it is believed that that the little boy saved a dog 英语字母中r的读音是 “啊” 还是 “啊而”? 急!求英语作文一篇《My day》初一级别的.70词左右都行 英语翻译An old man lived in a nice house with a large garden .He took care of his 36 the time ,watering and fertilizing ( )them .One day a young man went by the 37 .He looked at the beautiful flowers ,imagining how happy he could be 38 he lived i An old man lived in a nice house with a gaiden. there was a nice house with a large garden where there____an old man.填was和lived都对吗 After that,the old man ＿＿＿＿ lived in the big houseA not any longerB not any moreC no longerD not longer其他三个选择又有什么用法