圆的直径和半径怎么算

力的方向是指什么?是指受力物体运动的方向吗?当斧头把木柴砍成两半时,这个力是木柴发生形变,斧头对木柴的力的方向是什么?2楼：当斧头把木柴砍成两半时，木柴并没有向下运动，为什么 英语翻译 Corporate mission statement 包括什么? 普惶恐,顿首谢曰:“臣实未尝发书,若如此,当奏闻而却之 翻译 英语翻译然今之阿美利加,犹古阿美利加,而盎格鲁撒逊民族何以享其荣?古之罗马,犹今之罗马,而拉丁民族何以铸其誉?或曰; 是在英雄 .然非无亚历山大,而何以马其顿今已成灰?非无成吉思汗,而 Gill o’ the Red Cap怎么翻译 两条平行线也会有相交的那天吗·? 爱情就是两条平行线,会有相交的那天吗? 用（创意,灵感,推敲,锲而不舍.）组成一段话100字 上德若谷是什么意思? 四年级课堂作业本的答案 是人教版 my new look 初一英语作文60词左右 My mother 什么a new look New look of my homtown一篇英语作文, 两条平行线会不会相交 Look my new crayons是什么意思? 两条平行线能不能相交 （高数）运用函数的单调性,证明不等式成立. A weekend at noon,I alone wander on the street.谁能给我翻译一下 how to translate these sentence1;an around-the-clock survival reality show will be made of the top 20 winners as they live in a strict training camp.这句话什么意思啊还有“an around-the-clock ”何意?2;a few days before the walkathon,each translate a sentence .thank you .translate .3qThe one-time policeman says he almost went to university to study psychology before learning that the famous Guinness book had no entry for a run around the world. COS420度的值为 有there is no purposing doing 这个句型吗? 那 there is no purpose doing 呢?翻译 翻译 不可能在这么短的时间内完成这项任务.（There is no doing…） PLEASE ANALYSE THESE ENGLISH SENTENCE!1.Even Hilton Hotels has shown interest in the space tourism industry and the possibility of building or co-funding a space hotel.co-funding a space hotel 不是很奇怪吗?"co-funding" is not an adjective or a compare these 2 sentence please1.Though ___ sufficient time,the officer managed to read all the papers before midnight.We filled blank with 'being lack of'2.Though ___ money,the family managed to support the boy's high education abroad.We filled blan please check these sentence if correct.Do snakes can move backward?No,they don't please （ ）（remember）these news words because they are too useful.用所给动词的适当形式填空 鸦片战争到辛亥革命时期中国社会主要矛盾的变化及影响 Avri Lavigne 这个名字的音标是什么啊,怎么念?一直好喜欢Avri Lavigne 艾薇儿的歌 可是这个名字的标准念法总是不会， 计算解析几何(真的是个很简单的问题)已经知道：A+2B+C=02C^2=A^2+B^2求A B C 高等数学平面方程多元函数求解