查询词典 U-boat

A patch with a U-shaped slot is employed as the radiating element, and the incurrence of the slot changes the current distribution on the patch.

采用具有U形缝隙的金属贴片作为天线的辐射单元，缝隙的引入改变了贴片表面的电流分布，使天线的阻抗带增至39%左右。

The number of hexagon carbon ring with different polimerity index in the structural representation of fullerene cages Cn, x, y, z and u are solution for indeterminate equation HPI=(Ax+By+Cz+Du)/.

在富氏碳笼的结构表达式中，不同聚合度的六边形碳环的数目x，y，z，u是由不定方程6x+5y+4z+3u=3n-120决定的，该文给出了方程的求解方法。

This implies that the environmental impact indicator is an inverted U-shaped function of income per capita.

这个先增加而后减少的轨迹所形成的环境顾志耐曲线，隐含环境品质指标与每人所得间存在倒U字型函数关系。

This paper,by applying the theory of probability statistics,explains the relationship between the emission current I and the interelectrode voltage U in the thermoelectron emission phenomene,and then gives the expression of their relationship:I=ImΦ.

本文应用概率统计的理论对热电子发射现象中发射电流 I和两极间电压 U之间的关系进行了解释，得出它们的关系是： I=ImΦ，并给出关于参数 Im、 a、 b的确定方法。

Foreign-born Asians and Hispanics have higher rates of intermarriage than do U.

外国出生的人亚洲人和西语裔比做 U 有通婚的较高比率。

Environmental Kuznets Curve roughly reveals inverse U relationship between environmental pollution and economic development.

环境库兹涅茨曲线(Environmental Kuznets Curve，EKC)粗略地揭示了环境污染与经济发展之间的倒U形关系。

We make a study of the Baiqiang County in China, and we find that China is in a speedup stage of industrialization course. The reduction of the farmland is the ascent stage of the inverse U curve, and the reduction of the farmland will continue.

通过研究发现，中国目前处在工业化的加速时期，耕地的减少速度也处在倒U形的上升阶段，耕地减少趋势还将持续，尚未达到最高点。

Based on the annotation of coupling between urbanization and eco-environment,the rule curve has been deduced by combining "S" curve of urbanization growth and inverse "U" curve of eco-environment changing,and the coupling rules of China been tested and the causes been explained.

本文在阐明城市化与生态环境交互耦合含义的基础上，利用城市化的S型生长曲线和生态环境演变的倒U型曲线，演绎出城市化与生态环境耦合的规律曲线，并以中国的实际数据为例，进行实证分析。

Results show that: productivity of Chinas service industry is overall increasing and shapes inverse U curve; technical progress is the primary increase factor of service industry's productivity and technical efficiency is the key constraint of service industry's productivity increase in China; regional development of service industry productivity in China is extremely unbalanced and east region has more increase advantage comparing with middle and west region.

研究结果表明，中国服务业的生产率总体上处于增长趋势，并呈现出先增后降的倒U型特征；技术进步是服务业生产率增长的主要因素，而技术效率则成为制约服务业生产率增长的关键原因；服务业生产率的区域发展极不平衡，东部地区具有明显的增长优势，而中西部地区的大多数省份发展滞后或缓慢。

The paper holds that a series of measures be adopted so as to resolve the contradictions and conflicts, based on an understanding of the environment Kuznets curve in inverse "U".

化解两者矛盾，必须在正确认识"环境库兹涅茨倒U型曲线"的基础上，采取一系列方法措施，包括树立科学的开发观，构筑科学的发展测量指标；转变开发方式，调整西部产业结构；进行绿色经济制度创新；加大中央政府转移支付力度等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。