查询词典 randomized

Using semidefinite programming relaxation and randomized rounding, we give the corresponding polyniomal approximation algorithms for some NP-hard combinatorial optimization problems.

我们对于一些NP-难的组合优化问题，采用半定规划松弛和随机舍入的方法设计了多项式时间的近似算法，这些算法的性能比都是目前为止最好的结果。

To minimize complications from urine reservoir constructed with an intestinal segment,reticular transplantation of bladder mucosa to an intestinal seromuscular segment was conducted in 3 randomized groups of canines.

为减少肠管膀胱术的并发症，于1994年3～7月，用犬分三组作了膀胱粘膜点状移植于浆肌层肠段重建膀胱的实验。A组：自体膀胱粘膜点状移植于浆肌层肠段形成人工膀胱，B组：在A组基础上一期将输尿管与人工膀胱吻合，C组：将同种异体膀胱粘膜移植于浆肌层肠段。

Methods and Results-: We enrolled 142 patients randomized at a single center to have either the radial artery or saphenous vein grafted to a stenosed branch of the native left circumflex coronary artery. The primary end point was angiographic graft patency 5 years postoperatively.

方法和结果：我们通过单中心随机试验对左冠状动脉狭窄进行桡动脉或隐静脉移植的142例病人进行研究，主要的终点利用血管造影对移植的血管进行监测5年。

Stupp R, Mason WP, van den Bent MJ, et al: Concomitant and adjuvant temozolomide and radiotherapy for newly diagnosed glioblastoma multiforme: conclusive results of a randomized phase III trial by the EORTC Brain and RT Groups and YCIC Clinical Trials Group.

星形细胞瘤则为5～10年。毛细胞性星形细胞瘤则为正常寿命。许多脑膜瘤[1]和垂体腺瘤[2]的病人一直没有症状。这些肿瘤被偶然发现，或在死于其它疾病后尸检发现肿瘤。

They were randomized into two group: right subaxillary minithoracotomy groupand conventional median sternotomy group.

本项研究就是通过应用右腋下小切口治疗儿童先天性心脏病，与常规胸骨正中切口相比较，以探讨、评价两者的临床效果。

To systematicallyinvestigate this landmark, we conducted a study in four phases:1 Two blindfolded examiners determined the distance betweenthe tuberosity's medial border and the clavicle's lateral endin 100 dried clavicles and then 2 performed subclavian veincannulation in 20 fresh human cadavers using the tuberosityand the suprasternal notch as landmarks. 3 Three-dimensionalreconstructions of the subclavian artery and vein and surroundingstructures were derived from computed tomography datasets of10 patients. The length of the path of a virtual subclavianvein cannulation with the deltoid tuberosity landmark was measuredbilaterally. 4 In a prospective, randomized trial, subclavianvein cannulation was performed in 60 patients with a standardapproach or with the deltoid tuberosity as landmark.

为系统地研究这个解剖标志，作者将本研究分为四个阶段：1 双盲检查100个干燥的锁骨测量其三角肌粗隆内侧缘至锁骨侧面末端的距离；2 在20具新鲜的尸体上以三角肌粗隆和胸骨上切迹为标志进行锁骨下静脉穿刺；3 利用 CT 所获取的数据资料对10个病人的锁骨下动脉和静脉以及周围结构进行三维重建，测量两侧以三角肌粗隆为标志的虚拟锁骨下静脉置管路径的长度；4 选择60例病人以标准路径或三角肌粗隆为标志进行锁骨下静脉穿刺的前瞻性随机试验研究。

To systematicallyinvestigate this landmark, we conducted a study in four phases:1 Two blindfolded examiners determined the distance betweenthe tuberosity's medial border and the clavicle's lateral endin 100 dried clavicles and then 2 performed subclavian veincannulation in 20 fresh human cadavers using the tuberosityand the suprasternal notch as landmarks. 3 Three-dimensionalreconstructions of the subclavian artery and vein and surroundingstructures were derived from computed tomography datasets of10 patients. The length of the path of a virtual subclavianvein cannulation with the deltoid tuberosity landmark was measuredbilaterally. 4 In a prospective, randomized trial, subclavianvein cannulation was performed in 60 patients with a standardapproach or with the deltoid tuberosity as landmark.

为系统地研究这个解剖标志，作者将本研究分为四个阶段：1 双盲检查100个乾燥的锁骨测量其三角肌粗隆内侧缘至锁骨侧面末端的距离；2 在20具新鲜的尸体上以三角肌粗隆和胸骨上切迹为标志进行锁骨下静脉穿刺；3 利用 CT 所获取的资料资料对10个病人的锁骨下动脉和静脉以及周围结构进行三维重建，测量两侧以三角肌粗隆为标志的虚拟锁骨下静脉置管路径的长度；4 选择60例病人以标准路径或三角肌粗隆为标志进行锁骨下静脉穿刺的前瞻性随机试验研究。

Methods Eighty-eight patients with parcel tuberculous pleural effusion were randomized into two groups. The trial group used urokinase (100, 000 U) plus DXM (10mg) and NS (20ml) per time in the thoracic cavity after each thoracocentesis, and the control group used DXM (10mg) plus NS (20ml).

88例结核性包裹性胸膜炎随机分成治疗组与对照组，治疗组每次抽液后注人尿激酶10万单位＋地塞米松10mg+生理盐水20ml，对照组抽液后，注入地塞米松10mg+生理盐水20ml，其他治疗相同。

Limitations of this study included the lack of a randomized design and reliance on clinical follow-up to diagnose missed thrombotic disease.

这项研究的限制包括这项研究非随机分派研究，以及临床追踪以诊断未发现栓塞疾病的可靠性。

56 cases with hyperthyrea were randomized into two groups; group A1 was treated by classic method, B1 was treated by classic method combined with prunrllae oral solution. The size, vessel caliber of thyroidea, volume of blood flow and blood flow rate pre-and post-treatment were measured by color supersonic, meanwhile, 20 normal thyroidea were measured as control group.

56例甲状腺功能亢进患者随机分为经典治疗组(A1组)和联用夏枯草口服液治疗组(B1组)，治疗前后行甲状腺彩超检查甲状腺大小、实质内的彩色血流清况，同时测量20例正常人作为对照组。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。