查询词典 a group

In some finiteness conditions, we prove that there exists a natural Abelian group homomorphism from the Grothendieck group of R to the Grothendieck group of A.

在适当的有限性条件下，我们证明了一个从R的Grothendieck群到A的Orothendieck群的自然的阿贝尔群同态。

Though the analysis, taking different strategy according to the threshold signature synthetist\'s role, a bilinear mapping based threshold group signature scheme in which synthetist is a group member was proposed, as well as a bilinear mapping based threshold group signature scheme with forward security in which synthetist is security mediator was proposed.

在分析的基础上，根据门限签名合成者身份的不同采用不同的设计策略，提出了一个基于双线性映射的门限群签名方案，以及一个基于双线性映射的前向安全的门限群签名方案。

Closed group: A group with a pre-defined set of members. Only defined members may participate in a closed group.

闭合群：预定义了一组成员的群，只有定义了的成员才能加入群。

Methods to place nux vomical curare fluid into plastic bottle and 4 groups test tubes made ofsmall fresh white rat skin,with group a and c being control groups,group b and d being ultrasonic group.contents of chinese medicine were test at different time and statistic analyzed and compared.

将中药马钱子液置于塑料杯中，中间放置用新鲜小白鼠皮制成的透药试管，分成a、b、c、d四组，a、c组作为对照组，b、d组作为超声辐照组，在不同时间内检测试管中的中药含量。

There were more crescents and protein casts in nephritis group A than group B and part of the glomerule was partial fibrous degeneration in nephritis group A.

光镜检测A组新月体形成率较B组明显升高，肾小管内蛋白管型较B组，部分肾小球不完全纤维化，B组肾小球未见纤维化。

Methods From June 2005 to March 2008, treated 20 cases of the nontuberculous mycobacteria hand infection patients after the start of functional rehabilitation treatment time were divided into Group A, B, each of 10 cases, both surgical debridement and anti-Mycobacterium therapy, rewirable after the first day until the wound for wound healing time, follow-up to 6 months after the operation, observe the wound healing time and the recurrence; according to the joint activity score standard score comparison group A, B group of before and after six months of the functional differences.

对2005年6月～2008年3月收治的20例手部非结核分枝杆菌感染患者按术后开始进行功能康复治疗的时间随机分为A组（术后1周）、B组（术后3周），每组10例，均行手术清除病灶和抗分枝杆菌治疗，以术后第一日起至伤口拆线为伤口愈合时间，随访到术后6个月，观察伤口愈合时间、复发情况；根据关节活动度评分标准评分比较A组、B组术前与术后6个月功能的差异。

Group in the polyester in four patients (36%) to the first 14 months significantly reduced when the sperm count; in the blend in a group (9%) to 10 months, suffering from oligospermia, and that is, the control group semen quality cotton group no change.

在聚酯组中有4位病人（占36％）到第14个月时精子数明显减少；在混纺组中有1位（占9％）到第10个月时患了少精子症，而对照组即纯棉组的精液质量无改变。

Methods fifty patients with chronic sinusitis or rhinopolypus who had undergone endoscopic sinus surgery are random divided into control group and controlled hypotension group, each 25 patients. All patients are ASAⅠ-Ⅱ.Patients in B group were under endotracheal anesthesia with1.5—2% isoflurane and sodium nitroferricyanide 1ug/ with infusion pump to controlled hypotension. Patients in A group were under operation with local anesthesia.

将Ⅱ型Ⅱ期—Ⅲ期慢性鼻窦炎、鼻息肉病人50例随机分为对照组和全麻控制性降压组，每组25例，两组病人均为ASAⅠ—Ⅱ级，控制性降压组采用气管内插管全麻下以硝普钠1ug/微量泵泵入及1.5—2%异氟醚持续吸入控制性降压，对照组采用局麻下手术。

The experts behind the discovery say elephants are capable of vocal imitation, joining a select group of animals that includes parrots, songbirds, dolphins, and humans.Zoologist Joyce Poole was the first to notice some rather unelephantine noises emanating from a group of semiwild, orphaned elephants in Tsavo National Park, Kenya. She managed to track the sounds to a female named Mlaika. But the ten-year-old's powers of mimicry were so developed that the task wasn't easy."I was sometimes unable to distinguish between the distant trucks and Mlaika's calling," said Poole, the scientific director of the Amboseli Elephant Research Project."This is what first made me wonder whether she could possibly be imitating the truck sounds."Poole said others in Mlaika's group have been heard to make a similar noise, which is quite different from any call previously recorded in elephants.

据美国《国家地理》杂志网站3月23日报道，进行这项研究的科学家表示，与鹦鹉、某些鸣禽、海豚和人类一样，大象具有模仿声音的能力t921.com动物学家乔伊斯·普尔是安博塞利大象研究计划的负责人，也是第一个注意到这种现象的人t921.com她在肯尼亚安博塞利国家公园里，发现了一群半野生的、孤儿大象的象群发出了不同寻常的奇怪叫声t921.com普尔曾试图通过声音来追踪一只名为米爱卡的雌性大象，但是这只10岁大象出色的模仿能力让普尔的任务变得并不简单t921.com普尔说：&有些时候，我简直分不清究竟是远方的卡车发出的声音还是米爱卡的叫声，这让我非常好奇，我想是不是米爱卡能够模仿卡车行驶的声音呢？&

"Enterprises are rigorously analyzing the cost and benefits of ERP software to make better-informed decisions in a difficult economy," said Barry Wilderman, senior vice president and director, META Group. META Group has been focused on measuring the total cost of ownership and value derived from ERP applications for more than 5 years.

&企业正严格检验ERP软体的使用成本及可带来的效益并要求其能在困难的经营环境中做出较佳的预警式决策&出自Barry Wilderman( META Group资深副总裁及执行长)，META Group 已经著重於评量ERP总体拥有成本和经由ERP软体所衍生创造的价值已经有超过5年之久。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失