12:40用时间表达

火车在进站前以恒定的加速度刹车,经10S停下.若其在最后1S内的位移为4M 则火车的刹车速度为（）M/S 刹车中的位移大小为（）.说明理由 什么是铁板加热机?与普通感应加热设备有何区别? "Kiss Me Good 钢筋la什么意思 It's hard for him to make d____ so quickly because he has no time. 你知道还有哪些技术可以鉴别不同人的特征呢?除了声纹可以识别不同人的特征,还有哪些技术可以鉴别不同人的特征呢?（请多举几个例子）谢谢~ 如何确定权利要求中的必要技术特征 像我这样的流程能做18兆的超纯水吗?用自来水做原水经多介质过滤器、活性碳过滤器、软化器、精密过滤器、一级RO、二级RO、EDI、脱氧器、抛光混床、紫外线杀菌、超滤,然后给用水点.这样 化工行业一般工艺流程是怎样的? A real friend asks you why you didn'tcall him or her so long.中文翻译 How long you have knownhim? I ___(begin)to know him three years ago. 请问KARA的《We're With You》歌词的中文意思是什么? 请问集成电路在电路中怎么连接 Vcc GAD 怎么接能使其正常工作 最好将详细点 还有这几个符号是什么意思红圈里的 是什么意思 在电路中接哪? you beat the spread itdoesn't matter you win or lose,it's whether or not you beat the spread. 51区里有活的外星人吗? 51区有没有外星人我觉得有... He has such a nice bike.同义句改为这样的句式：He has _____ _______ a bike. 英语连词成句at the second crossing,he ran,and,along the street,turned left 聚合氯化铝对亚硝酸盐的降解有什么作用 I know this is out of the blue but uh,I'm getting married tomorrow.怎么翻译? of the students has his own bike each 为什么?写细点 each 谓语动词 hutong （胡同）是可数名词吗? hutong (胡同)是可数名词吗? THE HUTONG怎么样 —____ to give the letter to Mr Wang. It's very…_—_____ to give the letter to Mr Wang. It's very important. —No, I won't. [ ] A. Remember B. Be sure C. Don't forgetD. Make sure 为什么选C? 当物体在非真空内以光速旋转,会发生什厶事情?假设物体能够承受任何温度 Je suis francaise.Je t'aime a la folie.谁知道啊 a la是什么意思 Francaise Babe ,im getting hurt . Getting married, 翻译：and this is a ruler