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The coronavirus （COVID-19） pandemic severely disrupted travel and tourism， and recovery is now expected to be slower than p......
【Abstract】This paper applies prototype theory to explain Polysemy phenomenon. According to prototype theory， in the sem......
Analyze the Benefits of Using Films for Language Teaching in Classroom and Offer Some Strategies for
1. Introduction In recent years， with the development of society and technology， more and more technological ways are u......
Abstract:On the basis of the theories of psycholinguistic perspective in language teaching and communicative approach in......
一、选择填空。 （ ）1. The text is very easy for you. There are new words in it. A. a few B. a little C. few D. lit......
When the weather outdoors gets warmer， flowers appear and birds become more active. Spring has sprung！ Sometimes these ......
Now it is very easy for you to get in touch with your friends or relatives. You have many choices. You can write to them......
【Abstract】The College English Test-Spoken English Test （CET-SET） is a nationwide spoken English test including two diffe......
【Abstract】Pride and Prejudice is the representative work of Jane Austen.This novel describes four different kinds of m......
“There are two kinds of people in the world—people who love Peking Opera and people who dont know they love Peking Ope......
【Abstract】The “Outstanding Engineers Training Plan” (hereinafter referred to as the “OETP”) carried out by the min......
【Abstract】How America turns into a economic giant from an agricultural to an industrial society is far more arduous an......
【Abstract】 The Oil-Peddler Wins the Queen of the Flowers，as a classic Chinese literary work，has many culture-loaded word......
Two little children， a boy and a girl， lived long ago with their widowed mother in the Canadian forest. The woman was very......
Isiting Mostar in Bosnia and Herzegovina was an eyeopening and humbling experience. When we traveled to Croatia， we took ......
High-dose Chemotherapy Combined with Autologous Hematopoietic Stem Cell Transplantation as Frontline
The role of autologous hematopoietic stem cell transplantation(auto-HSCT)following high-dose chemotherapy has been valid......
The main constituent parts of unmanned aerial vehicle aerial photogrammetry systems are discussed. The key issues includ......
目的 初步探讨体重指数(BMI)、腰围(WC)、腰臀比(WHR)与大肠癌的癌前病变腺瘤的相关性.方法 2006年12月至2007年12月选择无大肠癌......
The Effect of Backfilling Stiffness on the Lateral Response of Deeply Buried Pipelines:an Experiment
Subsea pipelines passing through the shallow area are physically protected against the environmental, accidental, and op......
Background::The Tubridge? flow diverter (TFD) was recently developed in China; however, its safety and efficacy in treat......
目的探讨玻璃体切除手术中眼内巨大异物摘出的手术方法。方法回顾性分析32例(32眼)眼内巨大异物(≥5 mm)玻璃体切除联合巩膜L形切......
提出了一种基于多视角采样校正的大尺度多投影光场三维显示系统,系统采用了360台投影仪环绕投影在直径3 m、高1.8 m的柱形各向异性......
目的 评价分次栓塞治疗大型颅内动静脉畸形(AVM)的疗效.方法 23例大型(直径≥6 cm)颅内AVM患者,分次行AVM栓塞术,8例栓塞后行γ-刀......
目的探讨口腔鳞状细胞癌（oral squamous cell carcinoma，OSCC）及口腔正常黏膜组织中大肿瘤抑制因子2（large tumor suppressor homolog ......
目的分析CT平扫对发病24 h内急性大面积脑梗死的阳性率及其影响因素,主要评价早期CT征象的意义。方法收集统计24 h内急性大面积脑......
[目的]探讨1595例大肠息肉患者临床特征及结肠癌检出情况.[方法]收集接受肠镜检查并确诊为大肠息肉1595例(1805枚息肉)患者的临床......
1. how much, how many how many用来对可数名词的复数形式提问，how much用来对不可数名词提问。例如： How many books do you......
目的 探讨新生期伤害性结直肠刺激(colorectal irritation,CI)对幼鼠内脏痛觉敏感性影响,观察幼鼠腰骶段脊髓背角Fos蛋白表达,探讨......
目的 通过比较大肠癌三种筛查方案的应用价值,为社区自然人群筛查大肠癌制定方案提供科学依据.方法 对样本区自然人群同时用危险人......
金牛坪水电站二期泄水闸坝牛腿施工采用预制砼底模的施工方法,加快了施工进度,保证了金牛坪水电站二期工程的顺利完成.......
阐述可转位滚刀技术在推土机大模数淬硬齿轮加工中的应用,并分析出最优切削参数.应用表明,可转位滚刀在加工效率和经济性方面要优......
目的 探讨大肠海绵状血管瘤的临床特点、诊治原则,及腹腔镜下结肠、乙状结肠、直肠部分切除术在治疗大肠海绵状血管瘤中的运用方法......
目的 探讨口服2.5%等渗甘露醇多层螺旋CT肠道成像(MSCTE)的优势及其临床价值.方法 40例临床怀疑为小肠肿瘤疾病者采用完全随机法分......
Fast SSED-MoM/FEM Analysis for Electromagnetic Scattering of Large-Scale Periodic Dielectric Structu
...
目的 回顾性分析慢性血吸虫肠病患者的CT表现与病理特征.方法 共纳入56例患者,男37例,女19例,平均年龄69.2岁,均行腹部CT平扫+增强......
We prove a moderate deviation principle for a super-Brownian motion with immigration of all dimensions, and consequently......
Offner型成像光谱仪具有结构紧凑,成像质量理想的优点,为了提高光谱分辨率,实现更多谱段的光谱成像,需要分光成像系统有强的集光能......
In recent years, in reaction to the increasing usage of urban areas, the excavation of underground spaces has been devel......
坚硬覆岩大倾角煤层开采面临坚硬基本顶大面积悬顶、液压支架倾斜挤架、煤壁飞矸、刮板输送机“上窜下滑”等典型问题,严重制约安......
球形大颗粒晶体具有高流动性、不易板结等特性,而工业生产的氯化钾粒度小,含湿量大干燥能耗高,易板结,因此研究制备大颗粒球形氯化......
三维激光扫描技术能够提供扫描物体表面的三维点云数据,瞬时测得空间三维坐标值和相应的影像数据,根据获取的空间点云数据快速构建......
目的观察下腹壁肿瘤切除后大面积皮肤缺损患者腹壁整形修复后效果。方法选择下腹壁肿瘤切除后大面积皮肤缺损患者34例,根据腹壁缺......
Long-term results of type I tympanoplasty with perichondrium reinforced cartilage palisade vs tempor
Objective:To compare the rate of graft uptake and postoperative hearing outcomes of Type I tympanoplasty with perichondr......
研究包含任意多个竞争者的Large Nim博弈模型,它是传统的Large Nim由两个竞争者到多个竞争者的一般化.在标准联盟矩阵下,运用递归......
以丽香铁路中义隧道预应力树脂锚杆试验段为工程依托,对初支钢架大变形问题的系统锚杆效果进行研究。中义隧道地质为高地应力碎裂......
基于大型直接剪切试验,对不同剪切速率下建筑垃圾再生粗粒料的强度和变形特性进行了室内试验研究,探讨了剪切速率对建筑垃圾再生粗......
