一个400头母猪的核心群因此每年需要采用最少54头公猪！
A 400 sow nucleus herd therefore needs to use a minimum of 54 boars per year!
河曲马品种的保种与选育，应采取划定保护区，建立育种核心群，确定群体有效含量，控制近交，调整马群结构和合适的公母比例等措施；
Some technical measures were used in the breed control of Hequ horse, such matters as defining conservation region, determining effective population size and having a right foundation herd etc.
普拉文·莫曼奈尼博士说：“如果你的核心肌群比较虚弱，那么仅仅坐直是不够的。”
"It's not enough to just sit up straight if your core muscles are weak," said Dr. Praveen Mummaneni.
品牌产品经常会向着他们的核心用户群，而不是它们想要吸收的新客户。
Often times brands talk to their core instead of to the new people they’re trying to bring in.
所有的群成员都位于一个核心组中，该核心组的缺省状态为DefaultCoreGroup。
All cluster members reside in a single core group, which by default is the DefaultCoreGroup..
我们通过研究发现，Skype有一群深具使命感的核心工程师。
Through our research, we found that Skype had a core group of engineers who were completely dedicated to the mission.
核心肌群中负责此项工作的是髂腰肌。
The core muscle that does most of the heavy lifting here is iliopsoas, which is composed of two deep hip flexors.
所有的群成员都位于单个核心组中(该组缺省状态是DefaultCoreGroup)。
All cluster members reside in a single core group. By default, this group is the DefaultCoreGroup.
在不让用户流失到下一个大型社会化网络的同时，又能将其核心用户群转化成源源不断的收入——这对于MySpace来说可能是个很大的挑战。
And therein lies perhaps MySpace's greatest challenge - monetizing their core user base, without driving those same users away to the next big social networking system.
较好的办法是，在项目中拥有一群“超级明星”，他们拥有发达的交际关系，位于信息流的核心位置。
What's better is to have a handful of "superstars" on a project who are well-connected and in the center of the information flow.
哈雷的核心顾客群是美国中年白人男性，这一顾客群体的规模将在下一个十年内渐渐缩小。
Harley's core customer is a middle-aged white American male, a group that will contract in the coming decade.
但是测试用户行为，建立使用案例，以及跟踪核心用户群需要很多的费用，即便是大公司也是如此。
But testing against human factors, creating use cases, and observing focus groups can prove to be a costly endeavor for even the largest of companies.
为取得更大成就群策群力：集中群体智慧的上佳方法就是成立以员工为核心的团体，进而激励员工。
Brainstorm for greater fulfillment: One great way to brainstorm and, thereby, motivate workers is to set up employee focus groups.
这个锻炼计划针对的是上下身的肌肉和核心肌群，有助于改善有氧耐力，所用时间比我们大部分人为了怎么去健身房而纠结的时间还要短。
The program targets muscles in the upper body, lower body and core, improves aerobic endurance, and can be completed in less time than most of us spend dithering about how to get to the gym.
在SCI 126中，鲜红星系群均匀地分布在核心和边缘之间。在SCI 111中，这些星系群则倾向于聚集成高密度区域。
Within SCl 126, these BRG groups were evenly distributed between the core and the outskirts while in SCl 111, these groups tended to congregate towards the high density regions.
许多研究指出训练核心肌群能防止下背疼痛的发生并且有助于复健。
Numerous studies also support the role of core training in the prevention and rehabilitation of LBP.
哈佛医学院的一项最新报道表明，传统仰卧起坐只能锻炼到特定的肌肉群，并不能起到强化全身核心肌肉的作用。
A new report from Harvard Medical School disclosed that traditional sit-ups only target certain muscle groups instead of strengthening the entire set of core muscles.
种质资源是杂优猪选育的基础，育种部分是杂优猪选育的核心，完成专门化品系的选育、配合力测定和最优杂交模式的筛选以及专门化品系的纯繁扩群；
The genetic resource is the base of the breeding of hybrid swine, breeding section is the core, in which completes the breeding of special strains, combining ability testing .
“如果我们再不保护这些核心虎群，那么短短几年间老虎就要灭绝了。”作为论文另一联合作者的罗宾逊感叹道。
"Unless we protect those core populations, within a few short years we could lose tigers altogether," said Robinson, another of the paper's co-authors.
《凤凰周刊·珠宝》的核心栏目群，涵盖珠宝首饰、名表、手袋、私人装备等，我们将各品牌推出的经典产品第一时间推荐给读者。
It's core column of "PHOENIX MAGAZINE · jewelry", covering jewelry, watches, handbags, personal equipments etc., we will recommend readers about classical items of top brand at first time.
本文从核心词汇、意群教学、分析综合法三个方面阐述认知语言学与英语教学实践结合的作用。
This paper discusses the application of Cognitive Linguistics to English teaching from three dimensions: core vocabulary, language chunk, and analysis and synthesis.
学习英语，少不了听、说、读、写，核心视读、意群视读、搜寻视读、纵式阅读是提高英语阅读能力的有效方法。
Listening, speaking, reading and writing are necessary in learning English. Core reading, searching reading and column reading are the effective methods to improve the reading ability of the students.
基于旋转群代数，以航天器姿态控制研究为背景，提出了四元数的核心矩阵的概念。
A concept of kernel matrix of quaternion is proposed, which is based on rotation group algebra and with spacecraft attitude control as its background.
燃烧控制是实现均热炉群优化控制的基础，而燃烧控制的核心是空燃比控制。
The basis for realizing the optimizing control of soaking pits is combustion control, the key in which is to control the ratio of air to fuel.
住宅群的核心位置是社交区域，包括厨房、平台、酒吧和游泳池。
At its core, the compound has a social area with a kitchen, decks, bars and a pool.
协同过滤技术在智能搜索引擎中起到了重要作用，它的核心思想是用户会倾向于利用具有相似意向的用户群产品。
Collaborative filtering technology played an important role in the intelligent search engines, and its cote idea is the users tend to use like - minded user group products.
群控系统采用分布式控制，各节点以嵌入式微控制器为核心，实现电梯群控系统的硬件系统。
The distributed control technology is used in this system and every node is based on embedded microprocessor.
群控系统采用分布式控制，各节点以嵌入式微控制器为核心，实现电梯群控系统的硬件系统。
The distributed control technology is used in this system and every node is based on embedded microprocessor.
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