Objective: To assess the accuracy and reproducibility of real-time three-dimensional echocardiography (RT-3DE) for measuring the volumes of models with different shape and size ire vitro.
目的：评价实时三维超声心动图(RT - 3de)技术在不同形状体外模型容积测量中的准确性和重复性。
Objective To bring forward The three dimensional concept and Following plastic surgery principle in cleft palate repair.
目的：提出腭裂修复手术方法中的三维立体概念和应遵循的整形外科学原则。
Objective: To evaluate the value of clinical application of three dimensional ultrasound imaging with free hand.
目的：探讨自由臂三维超声成像的临床应用价值。
Objective: To approach the feasibility of the three-dimensional positioning and navigation with regular catheter electrodes in intracavitary with a low-frequency electrical field.
目的：探讨基于低频电场方式进行心腔内三维定位导航及心内膜重构的可行性。
Objective To observe the three dimensional micro-architecture of osteoporosis and non-osteoporosis cancellous bone and its effect on bone strength.
目的观察骨质疏松和非骨质疏松状态的松质骨的三维微观结构对其骨强度的影响。
Objective: It is difficult for three-dimensional sealing of root canal because of the complexity of the root canal system.
目的：根管系统的复杂性使得完善严密的三维封闭根管系统成为根管治疗成功的难点。
Objective To evaluate the clinical applications of ct three dimensional reconstruction on maxillofacial diseases.
目的：探讨CT三维重建成像在颌面部疾病的临床应用价值。
Objective: Built a three-dimensional finite element maxillary model including different diameter and length anchorage implant and analysis it, which can be used to chose the best implant.
目的：通过建立一个含不同直径、不同长度种植体的上颌骨三维有限元模型，并进行应力分析，选出最佳的支抗种植体。
Objective To explore the value of three dimensional(3D) digital subtraction angiography(DSA) in treatment of intracranial aneurysm.
目的探讨三维（3D）数字减影血管造影（DSA）在颅内动脉瘤治疗中的价值。
Objective To study neonatal morphological characteristics of cranial base with clefts by three dimensional structures.
目的在唇腭裂新生儿三维重建体上研究颅基底形态结构特征。
Objective To study artificial lumbar intervertebral disc three-dimensional finite element model and its stress state.
目的研究人工腰椎间盘三维有限元模型的建立及其应力分布。
Objective To evaluate the value of ct three dimensional reconstruction of vessels of pulmonary nodules.
目的探讨螺旋CT三维血管成像在肺结节性病变中的诊断价值。
Objective: to inquire into the practical value of three dimensional ultrasonography surface mode reconstruction in gallbladder diseases.
目的：探讨三维超声表面模式重建在胆囊疾病中的实用价值。
Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
目的建立人工髋关节置换术后的三维有限元模型，分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
Objective: To Construction of three-dimensional model of acetabular bone defect and revision implant.
目的：构建髋臼骨缺损和带翼髋臼翻修假体模型三维模型。
Objective To study the three dimensional characteristics of heart sound in children with myocarditis.
目的：通过心音三维分析了解小儿心肌炎的心音特征。
Objective To discuss methods on estimation and test of independent incomplete three-dimensional contingency table.
目的系统讨论三维不完备表的独立性估计和检验方法。
Objective Comparative the value of diagnosis of fetal cleft lip and cleft palate with two-dimensional ultrasonography and three-dimensional ultrasonography.
目的比较二维及三维超声对胎儿唇腭裂的诊断价值。
Objective To explore the value of three-dimensional rotational angiography (3d-ra) compared with routine DSA examination in diagnosis and treatment of intracranial aneurysms.
目的探讨三维数字血管造影(3d -RA)对颅内动脉瘤诊治的应用价值及其与常规DS A检查相比的优势。
Objective to probe into characters and clinical value of three dimensional color Doppler imaging on carotid atherosclerosis.
目的探讨颈动脉粥样硬化的三维超声成像特征及其临床价值。
Objective To discuss the application of three dimensional ultrasound color Doppler energy (3d CDE) technology in the diagnosis of bladder cancer.
目的探讨三维超声彩色多普勒能量图(3d -CDE)技术在膀胱癌诊断中的意义。
Objective To evaluate the technique of three-dimensional angiography imaging with multi-slice spiral ct (MSCT) and its clinical application in abdominal vascular diseases.
目的评价多层螺旋CT (MSCT)三维血管成像技术及其在腹部血管性疾病诊断中的应用价值。
Objective: To explore the clinical value of three-dimensional contrast-enhanced MR angiography (3dce-mra) in the diagnosis of ischemic nephropathy.
目的探讨三维对比剂增强MR血管成像(3dce - MRA)在诊断慢性缺血性肾病中的临床价值。
Objective To evaluate the reliability of real-time three-dimensional echocardiography (RT-3DE) in the diagnosis of congenital heart diseases (CHD).
目的评价实时三维超声心动图（RT-3DE）诊断小儿先天性心脏病（先心病）的可靠性。
Objective To assess the clinical application of three-dimensional color power angiography (3D-CPA) in evaluating renal vascular perfusion in patients with hypertension.
目的探讨三维彩色血管能量成像（3D-CPA）技术定量评估高血压病肾脏血流灌注改变的临床价值。
Objective To study the value of three dimensional ultrasound in diagnosing interstitial pregnancy.
目的探讨三维超声诊断间质部妊娠的价值。
Objective To determine the feasibility of three dimensional echocardiography (3de) in assessment of mechanical prosthetic valve areas.
目的观察三维超声心动图(3de)测定机械瓣瓣口面积的可行性。
Objective To evaluate the utility of three-dimensional digital subtraction angiography (3d-dsa) in the diagnosis of cerebral vascular diseases.
目的评价三维数字减影血管造影(3dDSA)技术诊断脑血管疾病的应用价值。
Objective To evaluate the dynamic value of three-dimensional ultrasonographic image in gastric neoplasm.
目的探讨三维超声成像在胃肿瘤病中的诊断价值。
Objective To evaluate the dynamic value of three-dimensional ultrasonographic image in gastric neoplasm.
目的探讨三维超声成像在胃肿瘤病中的诊断价值。
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