还可引入三个缺陷能级:氧空位E_ 1(E_ c - 0.17ev) 、 双空位E_2 ( E_ c-0.23eV ) 和E_3(E_c-0.39eV).The resultsdemonstrat that three electron trape ( E _ c - 0.17 eV , E _ c - 0.23 eV, E _ c - 0.39 eV ) produced inp ￣ + nn ￣ + structures are ch...
我们将目标集中地、立场鲜明地、勇敢地迎接这些挑战.We will confront them with focus and clarity and courage.书法比较集中地体现了中国艺术的基本特征.Calligraphy manifests the basic characteristics of all Chinese arts.但在头几分钟过去以后,我放弃了观赏这些壮丽的景象,只是坚决地低着头, 集中地看着脚下的路.Inste...
Jon's exuberance was irrepressible.乔恩朝气蓬勃，精力旺盛。An amusement park is the perfect locale for a bunch of irrepressible youngsters to have all sorts of adventures.游乐场是一帮精力过剩的年轻人寻求各种惊险刺激的绝佳场所。You cannot keep her quiet fo...
"This is not good," he said with great seriousness.他特别严肃地说：“这可不好。”They had shown a commitment and seriousness of purpose.他们已经立下承诺，并表达了想要实现目标的诚意。Lillith's formality and seriousness amused him.利莉思的拘礼和严肃让他觉得好笑。...
I had much ado to forebear laughing.我费了很大的劲才忍住笑.A person from whom one is descended , especially if more remote than a grandparent; a forebear.繁衍后代的人, 特别是远于祖父辈; 前辈.Consider how much more frugal the poor are than we, how ...
That magazine usurped copyrighted material.那杂志盗用了版权为他人所有的素材.Henry IV usurped the throne of England.亨利四世篡夺了英国的王位.Pit - bull conservatives harbor the suspicion that their mission has been usurped by unbelievers ( James Wol...