分组

Using a three dimensional Markov chain, a nonsaturation throughput performance model was proposed for IEEE 802.11 Distributed Coordination Function in fading channel. The impacts of different factors, including bit error ratio, traffic loads and packet length, on the throughput of the system were analyzed using this model.

利用时间离散的三维马尔可夫链，建立了衰落信道中IEEE 802.11 DCF在非饱和状态下的吞吐量性能模型，分析了位错误率、传输负载和分组长度对系统吞吐量的影响。

The comparison between the two grouping ways does show the lead-lag relationship among stock combinations, in a certain extent, coming from the effect of nonsynchronous.

两种分组方法的对比也正说明了股票组合间领先滞后关系在一定程度上来源于异步交易的影响。

We rearranged the patients into two subgroups by patients participated in the clinical trials or not, Trial group and Nontrial group.

再依照病患是否曾参与第一线合并化疗临床试验分组；一年存活率临床试验组 vs。

Methods and Results— Patients undergoing nonurgent PCI of a native coronary artery were randomized to receive adjunctive therapy with bivalirudin or UFH ＋ eptifibatide.

作者对接受非紧急冠状动脉 PCI 手术的患者随机分组，分别给予比伐卢定或者低分子量肝素＋依替巴肽的辅助治疗，观察PCI手术期间辅助治疗的应用对炎症标志物以及血小板活化的影响。

Methods A total of 60 male rats were randomly assigned into normal group,model group,drug control group,low -dose(17.5 mg·kg-1),mid-dose (35.0 mg·kg-1) and high -dose QLS (70.0 mg·kg-1) groups,10 rats in each group. White cell count,lecithin corpuscle density in prostatic fluid,prostate weight and prostate index were observed respectively after acute rat models were made by injecting 1 % carrageenan in th e seminal vesicle of prostate gland notopodium.

Wistar大鼠按体重区组随机分组方法分为空白对照组、模型组、阳性对照组及QLS低（17.5 mg·kg-1）、中（35.0 mg·kg-1）、高剂量组（70.0 mg·kg-1），每组10只，分别于前列腺背叶的精囊腺注入1 %角叉菜胶生理盐水溶液，制作大鼠非细菌性前列腺炎模型，观察测定前列腺液中白细胞数和卵磷脂小体密度、前列腺重量、前列腺指数。

To study the lethal effect of high power near infrared diode laser on Locust Nymphae. Oedaleus asiaticus B. Bienko Nymphae that are the third age or before the third age and after the third age were irradiated aiming at the head in different time and power density by the power of 2W and the wavelength of 808nm diode laser. The death-ratio was observed especially after irradiation, five hours after irradiation and 20 o clock the next day after irradiation.

为研究大功率近红外半导体激光对蝗蝻的致死作用，选择采用功率2W、波长808nm的半导体激光器，针对三龄及以前龄期和三龄期后亚洲小车蝗蝻虫分组试验，激光束对准蝗蝻头部位置，进行不同功率密度、不同时间的照射试验，分别观察照射后即刻、照射后5小时和照射后次日蝗蝻的致死率。

Methods According to the oestradiol level on progesterone initiation day, 279 hormone replacement-frozen embryo transfer cycles were grouped into three groups (group 1, percentile 0-25th; group 2, percentile 26th-75th; group 3, percentile 76th-100th).

按照激素替代-冻融胚胎移植患者黄体酮开始注射日血清雌二醇质量浓度的百分位数，将279个周期进行分组（组1百分位数为0～25，组2为26～75，组3为76～100）。

Methods According to the oestradiol level on progesterone initiation day, 279 hormone replacement-frozen embryo transfer cycles were grouped into three groups group 1, percentile 0-25(superscript th; group 2, percentile 26-75; group 3, percentile 76-100.

按照激素替代－冻融胚胎移植患者黄体酮开始注射日血清雌二醇质量浓度的百分位数，将279个周期进行分组（组1百分位数为0~25，组2为26~75，组3为76~100）。

Rasagiline as an adjunct to levodopa in patients with Parkinson＇s disease and motor fluctuations （LARGO, Lasting effect in Adjunct therapy with Rasagiline Given Once daily, study）: A randomised, double-blind, parallel-group trial, Incidence of neural tube defects in the leastdeveloped area of India: A population-based study,Long-term efficacy of early versus delayed radiotherapy for low-grade astrocytoma and oligodendroglioma in adults: The EORTC 22845 randomised trial

文章摘要：雷沙吉兰作为左旋多巴的辅助用药治疗帕金森病和运动波动患者（LARGO研究。雷沙吉兰每日1次辅助治疗的持久影响）：一项随机、双盲、平行分组试验，神经管缺陷在印度最不发达地区的发病率：一项基于人群的研究，早期和晚期放疗对成人低分级星形细胞瘤和少突神经胶质细胞瘤的长期疗效：EORTC22845随机试验

Methods 120cases of idiopathic oligospermia were randomly divided into two groups,one waszhuyang shengjing capsule group,and the other was tamoxifen group.

120例特发性少精子症患者采用随机分组原则分成两组，分别用助阳生精胶囊和它莫昔芬治疗。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。