集中于

However, first we must focus on Siena.

尽管如此，首先我们必须集中精力于锡耶纳身上。

Fieldbus and Ethernet are applied to the control system of sluice gate, the three-layer control structure that consists of field, plant and remote control is realized.

将现场总线和以太网技术应用于水电厂闸门控制系统，实现水电厂闸门的现地控制、内集中监控、方监控三级控制。

A white paper issued in 2000 by the Information Office of the State Council claimed that the space industry is "an integral part of the state's comprehensive development strategy."

中国将集中力量于能够与其他国家的成就相比美然后超越之的特定领域，而不是发展一套广泛的空天技术，――就象美国已经做的那样。

Due to the difference of heat conduction coefficient, specific heat capacity and expansion coefficient between concrete and rock, under cyclic variation of temperature, the junction plane is liable to crack in the slope supported by shotcrete.

由于混凝土材料与岩土材料的热传导系数、比热容与热膨胀系数的差异，在温度的循环变化下使得喷射混凝土边坡容易于喷层与岩土层的结合面处产生应力集中而开裂。

What today still confuses scientists is women have no organ like men's spermatophore to store sperm, then where is her sperm' stored.

令医学家至今不解的是，女性并无男性用于贮存精液的精囊一样的器官，那她的"精液"又集中贮存于何处呢？

In this paper, the stress property of sprocket is studied by using nonlinear finite element method.

本文利用非线性有限元素法研究集中载荷作用于链轮时的应力特性。

The main research contents are the modeling of price or returns series and correspondent volatility and risk. The main contents of this course include: modeling of single stationary time series and single non-stationary time series, non-linear modeling of single series, cointegration and vector autoregression modeling, etc.

适用于低频和高频数据；分为时域分析、谱域分析和回归分析集中分析方法；主要研究内容为价格或收益序列的建模，以及相应的波动性或风险的建模；主要内容分为单个平稳时间序列的建模、单个非平稳序列的建模、单个序列的非线性建模、协整和向量自回归建模等等。

City streetlight control systems of modern computer technology is applied to the city municipal building an effective and an inevitable product of a city street system of centralized control of the computer, monitoring and management.

城市路灯控制系统是现代计算机技术运用于城市市政建设中有效且必然的产物，实现了城市路灯系统的计算机集中控制、监测与管理。

The result shows that the cruciform specimen with square thinning center region is the superior device for the investigation of forming limit stress diagram to obtain the more homogeneous stress distribution in the center region, to realize the large deformation and the fracture appears in the center region more easily, and to control the stress concentration preferably.

结果表明，中心区方形减薄的十字形试件有更好的中心区应力分布均匀性，更容易实现大变形以致破裂发生在中心区，能较好地控制应力集中，是更适用于板料成形极限应力图研究的实验装备。

The broidered and dentated cordon of the eight and twenty royal niches; the immense central rose window, flanked by its two lateral windows, like a priest by his deacon and subdeacon; the frail and lofty gallery of trefoil arcades, which supports a heavy platform above its fine, slender columns; and lastly, the two black and massive towers with their slate penthouses, harmonious parts of a magnificent whole, superposed in five gigantic stories;--develop themselves before the eye, in a mass and without confusion,with their innumerable details of statuary, carving, and sculpture, joined powerfully to the tranquil grandeur of the whole

那镂刻着二十八座列王雕像神龛的锯齿状束带层，那正中巨大的花瓣格子窗户，两侧有两扇犹如助祭和副助祭站在祭师两旁的侧窗，那用秀丽小圆柱支撑着厚重平台的又高又削的梅花拱廊，还有两座巍巍、黝黝的钟楼，石板的前檐，上下共六大层，都是那雄伟壮丽整体中的和谐部分，所有这一切，连同强有力依附于这肃穆庄严整体的那无数浮雕、雕塑、镂錾细部，都相继而又同时地，成群而又有条不紊地展现在眼前。注意，注意力集中

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。