We shall study double integrals over more general sets in the plane.我们将研究定义在平面上更一般的集合中的二重积分.The last two integrals correspond to the natural boundary conditions.最后两个积分对应于自然边界条件.This cuts the labor of evaluating integrals...
After the Norman Conquest the forest became a royal hunting preserve.诺曼征服之后，这片森林成为了皇家狩猎区。The park was created to preserve some of the forests upstate.这个公园是为了保护该州最北部地区的一些森林而建的。Bad driving is not just the preserve of boy r...
a factual account of events事件的如实报道You'd better give us as much factual evidence as possible.你最好向我们尽可能多地提供事实证据.This is a factual account of the war.这是一篇有关这场战争的真实报道....
白兰克太太需要十美元来付清帐目.To settle up her bill, Mrs. Blank needed $ 10.一个有钱的太太向受难者捐赠了100美元.A donation of $ 1 million has been presented to the sufferers by a wealthy lady.琼斯太太跟丈夫离婚后,根据法院判决她每月可得到一千美元的赡养费.Mrs. Jones awarded $ 1000....
The Renaissance began in the Italian city - state of Florence.文艺复兴始于意大利佛罗伦萨这个城邦.Fen City State University, through its name because of Fenhe.汾城系古晋国都, 因汾河流经得名.Hawkwood march into a city - state.霍克伍德便带领士兵进入某个城邦....