查询词典 may modal

Unit 14 FestivalsⅠ. Teaching Goals:1. Talk about festivals, customs and habits.2. Use the modal verbs: must, have to and have got to.3. Practise expressing and supporting an opini

use up 表示\"用完\"、\"耗尽\"、\"用尽\"、\"使筋疲力尽\"，其中up是副词，名词作宾语时，放在up前面或后面均可；代词作宾语时，则必须放在up前面。

There exists the similar relation between the necessitation and modal logic .

对必然化规则和模态逻辑系统来说有类似的结果。

They also have the knowledge that English modal verbs should be placed on the left of the negator and at the beginning of the interrogatives.

这说明受试具有英语定式句中题元动词不能显性提升而情态助动词必须显性提升的句法知识。

With the observation and analysis of language, especially vocabulary, the most active and sensitive part of language, this paper probes into abundant sociocultural information implied by neology in modern Chinese language so as to describe and construct the social life view and social change modal in the current stage of social transformation.

通过对语言，特别是语言中最活跃敏感的部分－词汇－的观察和分析，去探究现代汉语新词背后所蕴涵的丰富社会文化信息，描绘和建构了当前社会转型期下的社会生活图景和社会变迁模式，这对于我们进一步把握社会发展的脉搏和方向具有重要的意义。

Methodologically, it addresses a multi-objective, two-modal network flow problem based on the concept of bi-level programming and network optimization theory.

由於交通管制决策过程中『决策者』与『用路者』之间系相互影响之互动决策过程，本研究乃应用二阶数学规划方法及路网最佳化理论，建构多目标「交通管制策略模式」。

Given the same area, when a patch is cut into two segments and set each segment at the edge of plate in the width direction and symmetrically along the modal nodal line y=W/2, using MCLD treatment can produce better damping than PCLD treatment.

分析表明，在覆盖面积相同时，将阻尼块沿x方向等分为2块，将每块放置在板的宽度方向的边部，并沿模态节线y=W/2对称，可使MCLD获得更好的阻尼改进效果。

Based on the single-axis air-bearing test bed, three experiment schemes are creatively designed for investigating the behaviors of rigid-flexible coupling dynamics:(1) experiment scheme for structural dynamics problem under a non-inertial frame,(2) experiment scheme for rigid-flexible coupling dynamics with unknown large overall motions,(3) experiment scheme for modal analysis of a typical rigid-flexible coupling system.

为了能更深入地揭示刚柔耦合动力学特性与验证本文提出的一次近似模型的正确性，最后重点介绍了我们在单轴气浮台动力学仿真实验平台基础上，经过多次探索和总结，创造性地设计的三套刚柔耦合动力学实验方案：(1)非惯性系下结构动力学问题的实验研究方案，(2)大范围运动为自由的刚柔耦合动力学问题的实验研究方案，(3)刚柔耦合系统模态分析实验方案。这三套方案从实验的角度来讲是可行的，这为下一步的实验工作打下了基础。

In addition, the possible world semantics of the classical normal modal operator can be regarded as the degradation of the improved twin-subset semantics when RIF=?

经典的正规模态算子的可能世界语义可以看成是改进的双子集语义当RIF？

The validity of two non-linear analysis methods for low frequency oscillation in power systems, i.e. normal form method and modal series method, are analyzed and compared from many aspects in this dissertation.

本文从多方面分析比较了电力系统低频振荡的正规形法和模态级数法这两种非线性模式分析法的有效性。

Several key issues related to damage identification of structural health monitoring are expounded. A method for damage positioning, which is on the basis of the normalized change ratio of frequency, is developed. Then, a set of damage identification techniques based on modal parameter and neural network is put forward.

阐述结构健康监测中损伤识别的关键问题，介绍基于正则化的频率变化率的损伤定位方法，提出一套基于模态参数和神经网络的损伤识别技术。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。