集中于

Its primary focus is on basic biology of domestic animals as well as animal husbandry.

其研究主要集中于家畜的基础生物学以及畜牧业。

When the Apogee Company had all its operations in one location, it has more profitable than it is today.

当 Apogee 公司的所有业务集中于一个地方时，其盈利水平要比现在高。

The current researches on structure light sensor are mainly about arc light disturbance filtering and image processing.

目前对于结构光传感器的研究主要集中于弧光的滤除和图像的处理。

This paper mainly study on the algorithm of the evaluation and recognition of the highway asphaltum pavement crack, and mainly concentrate on the crack image processing and the recognition of the crack type.

本文主要是对公路路面裂缝的识别与检测算法进行原理性的研究，主要集中于裂缝图像的处理以及裂缝类型的识别两个方面。

The result shows that both the structure and factors mentioned above are different from those in other developed regions, e.g., most of the SMEs are state-owned and traditional manufacturers with low accumulation of funds and high assets-liabilities ratio, the selection of financing for liabilities has been transferred to commercial credit from traditional bank loan or other forms of indebtedness, the total assets and number of employees are significantly related to the financing for liabilities, which shows that the "scale discrimination" is specially obvious in the Northeast China's old industrial base.

其结论是：东北老工业基地中小企业融资结构及影响因素明显不同于经济发展水平较高地区，国有中小企业比重较高且大多集中于传统制造业；企业内部积累偏低、资产负债率较高，但其债务融资选择已由传统的银行贷款向商业信用等其他负债转移；企业负债融资与总资产和企业人数等规模指标显著相关，"规模歧视"在东北地区表现得较为突出。

In this period, the rural land problem contains land assignment problem and land use problem.

该时期，农村土地问题讨论的重心主要集中于"土地分配"和"土地利用"问题。

It is with this consult, beijing Olympic Games will bring fivefold advertisement expenditure growth, basically center at the 3rd quarter, prep above anticipates before this 3 arrive fourfold.

以此为参照，北京奥运会将带来五倍的广告支出增长，主要集中于第三季度，高于此前预期的三到四倍。

The thesis concentrates on the research on the autobiographic quality of the confessional poetry of Sylvia Plath, who was an important poet of the important poetry school, the confessional poetry school, in the 20~ century in America.

本论文的论题集中于对美国20世纪重要的诗歌流派自白派中的重要诗人希尔维亚·普拉斯自白诗的自传性研究。研究的重点是努力阐明诗人的"自我"，诗人的生活与诗歌文本三者之间的关系。

With emphasis on effects of auxin and brassinosteroid on development of plant cell and tissues; related

主要进行植物激素作用机理和植物功能基因组学研究。研究方向集中于生长素和油菜素内

The key points of sensorless technology in PMBLDCM are to study a method which can detect rotor position accurately by simply method in whole speed range. After analyzing current sensorless methods of the PMBLDCM, it is found that those methods are successful at middle and high speed, but they often fail to detect rotor position at low speed when the back electromotive force is small or zero.

纵观目前的永磁无刷直流电机的无位置传感器控制方法，比较成熟而可行的方法多集中于电机在中高速区域运行时，能够较准确估计转子位置；电机处于低速、极低速、静止状态时电加热管，因为反电动势幅值较小或者为零，而无法正常工作。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。