Focal length is the distance between optical centre and principal focus.
焦距就是镜片中心和焦点之间的距离。
Focal length: The distance between the centre of a lens and its principal focus.
焦距：镜头中心与其主焦点的距离。
It's a major focus of the Bank's work, and it might well be the principal focus of the Bank 10 or 15 years from now.
清洁能源是世行工作的一项主要重点内容，而且很可能是今后10- 15年中世行的一项首要重点内容。
Earthquake input pattern is a principal focus in the research on earthquake-resistance of engineering structures.
地震输入问题一直是工程结构抗震研究关注的焦点。
Why has poverty reduction, along with its health-related causes and consequences, become the principal focus of this commitment?
为何减贫工作及其与卫生有关的原因和后果成为这一承诺的主要焦点？
The principal focus of the program should be on the control of hazards and the reduction of risks, as opposed to merely satisfying regulations.
职业健康与安全（OHS）规程的目的就是预防职业伤害和疾病，它不仅需要满足法规的要求，更重要的是控制危害和减少风险。
The principal focus dealt with by the traditional market business is the so-called magic triangle which consists of enterprise, customer and competitor.
传统营销的研究焦点是由企业、顾客与竞争者构成的所谓的“魔术三角”。
New strategic partnerships to create more streamlined connections with key customers and with the Outdoor market are the principal focus for the sales team.
销售队伍的工作重点是，配合新战的略合作伙伴，创造更加有效的关键顾客和市场沟通。
By the Construction phase, with the technical risks effectively mitigated, the principal focus turns to the question "Can we get all the work done by the end of the phase?"
在构建阶段，技术风险大大降低，此时的主焦点问题是“我们在此阶段结束之前能够完成所有的必要任务吗？”
The principal focus of both projects is to equip the production facilities with powerful and reliable drives that will increase the productivity and availability of the rolling mills.
这两个项目的主焦点是为生产车间装备强大而可靠的驱动，提升轧钢厂的生产力和可用性。
We should focus on tightening supervision over leading cadres and especially principal ones, stepping up supervision over the management and use of human, financial and material resources.
重点加强对领导干部特别是主要领导干部的监督，加强对人财物管理和使用的监督。
The vice principal, Steve Gallagher, told the boy he needed to focus on the teacher, not his cellphone.
副校长加拉格尔告诉这个男孩，要把注意力放在老师身上，而不是他的手机上。
But maybe because Feng is too busy dealing with his ambition, the film never allows any of its four principal characters to really come into focus.
或许是因为冯导疲于去实现自己的远大抱负，片中的四位主角形象显得不够突出。
In establishing residual limits, it may not be adequate to focus only on the principal reactant since other chemical variations may be more difficult to remove.
在确定残留物限度时，也许只是集中注意主要的反应物做得并不够，因为也许有别的化学变异产物更难以除去。
London's architectural geography has two principal poles or areas of focus about which everything else revolves.
伦敦的建筑区有两个主要中心或者集中区，其他建筑都以此为中心。
Remember: we see things in three dimensions, so it's easier than you might guess to focus our eyes on the principal subject only and not see that background at all.
记住：我们是以三维的角度观察事物，因此你很容易将视线聚集在主要的物体上，根本没有看到背景。
The proposals about the second generation of principal responsibility system in this article focus on four aspects: from externally-controlled schools to self-managing schools;
第二代校长负责聚焦于四个方面：由外控管理学校走向自主管理学校；
The course will focus on the principal contemporary issues of change, debate and concerns in finance and financial markets and how these impact business decisions and business and economic prospects.
本课程将集中讨论金融领域和金融市场变革、争论和关注的当代的主要问题，以及这些问题是如何影响商业决策和商业经济前景的。
Thus, the enterprise manager's incentives and constraint issue with the principal-agent theory became the focus of attention.
从而，委托代理理论下企业经理人的激励与约束问题成为了人们关注的焦点。
The research on principal guaranteed fund focus on the capital's increasing strategy, property disposition and the performance etc.
国内关于保本基金的保本增值策略、资产配置、个别基金的业绩表现等方面都有较多的研究成果。
Under this new principal, a decision maker will focus on the overall return from factors in stead of profit alone.
在这种新的原则下面，决策者需要考虑的是要素整体的收益，而利润本身的大小并不是核心问题。
The chief working principal, modeling methods, influencing factors, and metrology means are investigated to reveal the fundamental focus.
阐述了基本作用原理、影响建模分析的因素和测试验证的方法。指出了各自的关键技术及研究焦点。
The second chapter will focus on the background of the rising of the new African American middle class and its principal sign.
第二章重点论述了新黑人中产阶级的崛起标志和背景。
The second chapter will focus on the background of the rising of the new African American middle class and its principal sign.
第二章重点论述了新黑人中产阶级的崛起标志和背景。
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