base n. 1.基底,基,根基,底座;底层,底子;(纪念碑等的)基址;(山)麓。 2.【军事】基地,根据地。 3.根据,基础。 4.【化学】碱;【纺织;印染】(染色)固色剂;媒染剂;【药学】主剂。 5.【数学】底,底面,底边,基点,基线;基数。 6.【体育】起点,出发线;【棒球】垒;目标。 7.【语言学】语根;词干。 an air base 空军基地。 the economic base 经济基础。 first [second, third] base【棒球】一[二、三]垒。 a base angle 底角。 a bayonet base 卡口灯座。 a code base (信息论)编码基数。 a prisoner's base捉迷藏。 base of operation 作战根据地。 at the base of 在…之麓;在…的基部。 change one's base 〔口语〕撤退。 get to first base 取得成功的。 off base 〔口语〕 1. 大错特错地。 2. 冷不防地。 3. 〔美俚〕傲慢的。 vt. 把…的基础放在(…)上 (on upon), 以(…)作为…的根据。 base one's arguments upon facts 以事实作论辩根据。 base one's hopes on …把希望寄托在…上。 adj. -less 无基础的,无根据的;无原由的。 adj. 1.贱的,劣的;卑下的,低级的;卑鄙的。 2.(子女)庶出的;私生的。 3.(语言)不纯正的,粗俗的。 4.【音乐】低音的。 n. 【音乐】低音;低音部。 n. -ness (品质等的)恶劣;下贱,卑鄙。
base on 把……基于,以……为根基; 本该如此should; 建立在什么基础之上; 依据/基于; 以为根据; 以为基础; 在…基础上
The study of si - base light - emitting materials has made great progress in recent years 硅基发光材料的研究近年来已取得重要进展。
Wtp ( wireless transaction protocol ) , a transaction - based light - weighted protocol , can operate efficiently on the wireless data network Wtp ( wirelesstransactionprotocol )是轻量级的基于事物的协议,能在无线数据网络中有效地运行。
The basic idea of model - based light map is to explore the captured facial reflection model and recovering light map from a single picture 基于模型的光照图的基本思想是利用已经获得的人脸反光模型,从单张人脸照片恢复出人脸所在场景的光照图。
Later , the discovery of all colures photoluminescence and electric - luminescence from porous silicon and the encouraging progress in fabricating porous silicon based light - emitters has cast a new light on si - based opt - electronics 多孔硅可能弥补单晶硅材料不能有效发光的缺点,预示了用单晶硅制备发光器件进而实现全硅光电子集成的美好前景。
The ground based light - trap caught large numbers of l . sticticalis on the next evening , after an immigration event , so priority of catching peaks in searchlight trap to ground based light - trap was a good indication of migration 草地螟迁入后第二晚地面灯诱虫器诱到大量蛾子,故探照灯诱虫器诱虫高峰早于地面灯诱虫器一天可作为草地螟迁入的一个良好的指示。
To sum up , two types of model have priority in explaining the origin and mechanism of visible pl in si - base light - emitting materials . but in view of the reported results , the properties of materials are badly influenced by preparation process 归纳起来,其发光机制以量子限制效应和发光中心两种模型为主;但就报道的结果而言,材料的发光特性都严重地依赖于样品的制备工艺过程,经不同的工艺过程制备的样品,其发光特性差别甚大。
Finally , this thesis introduces the model - based light map ( mbl ) technique and its basic idea and framework . in order to capture the facial reflection model efficiently , a 3d light stage with 1 . 5 - meter radius is custom - built . a basic recovering algorithm based on conjunction gradient method is described and some results are provided 先提出了基于模型的光照图技术的基本思想和框架,然后介绍自行设计建造的一个半径为1 . 5米的三维光照架,和一个基于共轭梯度法的光照图恢复算法。
Silicon ( si ) is the leading material of microelectronic devices , but the nature of indirect band gap of si hinders its applications in integrated optoelectronics . to develop si - based optoelectronic integration by coupling the mature technology of si microelectronic integration with si - based light - emitting material will essentially meet the increasing demand of the great progress in the information technology 硅是微电子器件的主要材料,但硅的间接能隙特性严重制约了其在光电子领域的应用,如果能在硅基材料的基础上制备发光材料,就可利用已有成熟的硅集成技术发展硅光电子集成,从而有可能完全改变信息技术的面貌。
In this thesis , we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration . we discussed mainly the gain , differential gain , threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function 本文阐述了si基光发射材料的研究进展及它在硅基光电子集成中的重要地位,从三维受限量子点的分立能级和函数状的态密度分布入手,着重讨论了si基量子点激光器的增益、微分增益、阈值电流及阈值电流的温度特性。
As one kind of si nanostructures , si - rich si02 films are the important si - based light - emitting materials . moreover , silicon is the leading semiconductor in the microelectronic industry . furthermore si02 films as passitive and insular layers are widely used in si device and integrated circuit . so si - rich films are considered suitable for optoelectronic applications 另一种观点认为纳米硅薄膜中的可见光发射来自界面或介质层中的发光中心。还有人认为对于镶嵌在sio _ 2中的纳米晶粒来说,与氧有关的缺陷可能是导致可见光或蓝绿光发射的主要原因。