查询词典 challenging

For more than two decades the electron correlation induced metal-insulator transition and its characteristic has been one of the challenging problems in condensed matter physics.

近二十年来，一维关联电子系统吸引了人们的注意，特别是由关联而导致的金属—绝缘体相变以及它的一些特性已成为低维凝聚态物理领域中的一个有争议的热点。

The book is structured so that the reader may choose parts of the text to read and still take away a completed picture of some area of differential geometry Beginning at the introductory level with curves in Euclidean space, the sections become more challenging, arriving finally at the advanced topics which form the greatest part of the book:transformation groups, the geometry of differential equations,geometric structures, the equivalence problem the geometry of elliptic operators, G-structures and contact geometry.

这本书是结构，以便读者可以选择部分文本阅读，还带了一个完整的画面，有些地区的微分几何开始入门级和曲线的部分，在欧氏空间变得更有挑战性，终于到达了高级的主题，形成了最大的一部分书：变换团体、几何的微分方程、几何结构、等价问题的几何形状，G-structures椭圆算子和接触几何。

The five dimensions of leadership practices index were valid and they were challenging the process, inspiring a shared vision, enabling others to act, modeling the way and encouraging the heart.

主要结论有： 1、旅游规划团队领导行为包括挑战陈规、达成共识、调动成员、模范表率和激发热情五个维度。

You're my most challenging teacher and my most endearing student.

你是使我最激动的老师，也是我最挚爱的学生。

This is a test of endurance and determination. challenging yourself is your goal.

这是耐力与意志的检验，超载自我，挑战自我是我们的目标。

Mr. McQueen turns 40 next week, so he is no longer an enfant, though his work remains challenging and confrontational, especially this season, when it seems like the right moment for a deeper exploration.

麦奎因先生下周满40岁，因此他不再是小孩子，虽然他的工作仍然充满挑战和对抗，特别是本赛季，他似乎进入了一个更深的探索区域。

So, how to maintain and improve quality during the process of expanding enrollment is a practical and challenging problem.

因此，如何在扩招的同时保证和提高质量成为一个严峻而现实的问题。

If you are new to mountain biking, you'll find the different designs to be very enticing yet very challenging at the same time.

如果您是新的山地自行车，你会发现不同的设计是非常吸引但非常具有挑战性的同时。

Subsequently, more diagnostically challenging, atypical haemangiomas, papillary endothelial hyperplasia, angiomatosis and angiolymphoid hyperplasia with eosinophilia are considered.

接着综述了诊断具有挑战性的病变如不典型血管瘤、乳头状内皮增生、血管瘤并和伴有嗜酸细胞浸润的血管淋巴样增生。

In 1981 Francois Mitterrand, when challenging incumbent President Valery Giscard D'Estaing for the presidency, ridiculed Giscard d'Estaing as the president of unemployment. But during his own 14-year-long term, Mitterrand was also unable to solve this problem as the unemployment rateeven soared to 12 percent.

密特朗在1981年挑战季斯卡总统之时，曾经讥讽其为失业总统，但是他任内14年也无力解决这一个问题，甚至失业率一路攀升至12％。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了