在数列an中,an=1/(n1)2/(n1)...n/(n1),又bn=2/（an*a(n1))(n

Pattern pattern = Pattern.compile("[0-9]{4}-[0-9]{2}-[0-9]{2}");是什么意思? MICROCHIP MOBILE PRODUCT SELECTOR怎么样 made in PRC designed by General quarter by quarter 例如 Our product will be updated quarter by quarter.有这种说法吗? by product 是不是一个单词by-product 去掉连字符后是不是一个单词.如是,请举出一个这样的例子来.谢谢.如答案满意,将会追加分.还有，就是强调句中，在强调宾语时，是否可以用whom 例：It is his How can we get there? 【高二生物、细胞质】机械损伤为什么能加快胞质环流? How can we get there Turn leftHow can we get there Turn left at the bookstore.Then turn right at the hospital .意思 How can we get there?翻译. American Health是美国原装进口的么?我在一些代购网看到的.这个有中文名字么?刚刚提的问题怎么没了? American Health （一个保健品的品牌）英译成什么好呢?谢谢! She's an American woman.改为同义句填空是She's_______ ________. 为什么是an American woman不是an America woman We could really get there这句话 翻译~要具体虽然说藕的英语还不错但是语言94组织不起来~555 胞质环流的方向,是同一种物种方向一样还是只是同一个个体方向一样啊? Hypothesis TestingIn a study of iron deficiency among infants, the blood hemoglobin levels were compared between two samples of infants, who follow different feeding regimes. One group consisted of breast fed infants, while the other group was fed wi Put the trash into the ——— ——please 中间两个空是什么? testing 为什么呢?As research techniques become more advanced,the number of animals used in experiments may decrease,but stopping ____(test) on animals altogether is a long way away. The ___tissues must be put into a covered trash container immediately after _____.A.used ,using B.used ,use答案是B但我觉得两个都不对应该是used,being used啊 soak testing什么意思 如何把do you have a car?变成肯定句?(不是肯定的回答) 最早的字典中国 testing... ATA e-Testing 侦听者是干啥用的? INTERTEK TESTING SERVICES NA Have you got car?错在哪? Have you got a car?这里为什么要用现在完成式? 下面这句话英语怎么说：“2004年刘德华在电影票房、奖项以及音乐方面的全面大丰收……”下面这句话英语怎么说：2004年刘德华在电影票房、奖项以及音乐方面的全面大丰收,确实可以用奇 The world's deepest salt lake is Caspian Sea.改为一般疑问句 Which city is the one --has the largest lake in the world,空白处填什么?where吗?that?which?哪个 最早的第一部字典叫什么?要最准确的呀! 人生若只如初见那该多好,