集中于

Dewey concentrated on administrative reform, cataloging, improving reference services, and expanding interlibrary loan facilities.

杜威将注意力集中于行政管理改革、编目、改进参考服务和扩充馆际互借设施。

Joshi also says international donors should concentrate their financial and technical support on the countries with the worst problems.

乔希还表示，国际捐助者应集中于最严重的问题，与国家的财政和技术支持。

Please try to focus your attention on the spea ker.

请试着把注意力集中于演讲的人。

Furthermore, the computational results indicate that the surface displacement fields varies with the distance form the fault, and the vertical displacement fields show strong inhomogeneity, in which largen displacement focuses on the ends of fault.

同时通过计算揭示了断裂错动过程中离断裂一定范围内的地表位移场变化情况，计算结果表明断裂错动形成的地表垂直存在较大的空间不均匀性，且主要集中于断裂的端部即映秀、北川和青川附近，并且位移场在这些地方变化都较强烈。

Nowadays, the pharmacodynamics of LEVO have been widely clinically studied in China, but no pharmacokinetic properties have been reported .

目前国内LEVO的临床研究多集中于药效学方面，药代动力学研究尚未见报道。

The experiments showed that deception is a developing skill in the preschool years and includes three stages: the first is the behaviorism stage of deception,the second is the mentalistic stage of deception based on the first-order belief,and the third is the mentalistic stage of deception based on the second-order belief.3-year-old children are at the first stage,4-and 5-year-old children are at the second stage,and 6-year-old children begin to enter the third stage.

但那时的研究者都是站在行为问题或道德问题的角度对人类的欺骗行为进行研究。20世纪80年代，儿童心理知识发展的第三个研究浪潮———&心理理论&出现以后，发展学家们开始从心理理论的视角探讨儿童欺骗的发生发展，并从信念的层面对欺骗进行了科学的界定，认为欺骗就是指意图培养他人的错误信念，以使他人产生错误或进入这一误区的行为[1，2]。近几十年来西方研究者对儿童欺骗的研究主要集中于探讨儿童欺骗的发生发展特点[3]。

Researches focus on two issues. First, does phoneme segmentation ability depends on the development of metalinguistic awareness, or is it an emergent property of vocabulary growth?

讨论的焦点集中于两个问题：1音位切分能力是取决于元语言意识的发展还是词汇量增加的一种自然特征？

Status in quo of TCM micronization was reviewed and analyzed. Effects of micronization on the dissolution of active ingredients and pharmacological action were widely studied,however some fundmental aspects,such as engineering factors of superfine powder preparation,stability of them and the optimal particle size,are urgently to be studied.

作者对国内中药微粉化的现状进行总结分析，发现目前研究主要集中于微粉化对药物有效成分或部位的体外溶出及药效的影响，提出中药微粉化亟待解决的基础性问题有：微粉化制备工程学研究、微粉的稳定性研究、微粉最适粒度的筛选和确定等。

Once you have decided to concentrate on minding your own business, how do you set your goals?

一旦你决定把精力集中于创建自己的事业，你该怎样确立目标呢？

Its long-term vision for research is focused on three areas, namely nutrition/nutritional biochemistry, monogastric production systems and ruminant production systems.

该系长期的研究目标集中于三个方面，即营养学与营养生物化学，单胃动物生产系统，和反刍动物生产系统。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。