查询词典 flutter

However, a deflector is sufficient to avoid flutter echoes between parallel surfaces.

然而，一个导流板，足以避免扑回波之间的平行表面。

The flutter characteristics of a 70° cropped delta wing at high angles of attack are studied.

研究结果显示前缘涡对该机翼颤振特性的影响不可忽略。

From the characteristics of aerothermoelasticity, the effects of temperature in aerodynamic heating on the mode of a delta wing and the characteristic of its flutter were researched.

根据热气动弹性特点，探讨了气动加热温度对三角机翼模态特性和颤振特性的影响。

Authorizes after 2005 international display bureau China in 2010 the Shanghai World Expo registers the report, the Shanghai World Expo organizer through the diplomatic channel to the potential official exhibitor sends out the official invitation, including sovereign state and Organization intergouvernementale, thus starts in 2010 the Shanghai World Expo to flutter the work.

在2005年底国际展览局批准中国2010年上海世博会注册报告之后，上海世博会组织者通过外交渠道向潜在官方参展者发出正式邀请，包括主权国家和政府间组织，从而开始2010年上海世博会的招展工作。

The oriental cherry out of window bloomed dissolutely when BeiCheng sit at library.he close his eyes in the sunlight which is clear but still cold.the flower fragrance in the air is strong and partly visible,occasionally it give a sober pierce to peoples nerve.the flower petals flutter into from window and fall down on the head of BeiCheng.then they disappeared,liking the white snow fall down on the black land and disappeared silently.

北城坐在图书馆的时候发现窗外的樱花已经开得很放肆了。北城在清澈但仍旧透着寒冷的阳光中闭起眼睛，空气中的花香浓烈而又飘忽，若隐若现，偶尔给人的神经极为清醒的穿刺。花瓣从窗外飘进来落到北城的头发上，然后就忽然不见了。就像雪落在黑色的大地上，消失得无声无息。

Mrs. Crisp was summoned from Buxton, and abruptly carried off her darling boy; but the idea, even, of such an eagle in the Chiswick dovecot caused a great flutter in the breast of Miss Pinkerton, who would have sent away Miss Sharp, but that she was bound to her under a forfeit, and who never could thoroughly believe the young lady's protestations that she had never exchanged a single word with Mr.

克里斯泼太太得到消息，连忙从勃克思登赶来，立刻把她的宝贝儿子带走。平克顿小姐想到自己的鸽笼里藏了一只老鹰，不由得心慌意乱，若不是有约在先，真想把她赶走。那女孩竭力辩白，说她只在平克顿小姐监视之下和克里斯泼先生在茶会上见过两面，从来没有跟他说过话。

In order to create structural optimization model with aeroelastic constraints, dual lattice method is used to evaluate the unsteady aerodynamic force and V-g method is used to estimate the critical flutter speed.

作者采用子结构技术进行了结构的静动力分析，推导出基于"静载模态"概念的子结构响应的灵敏度计算方法，使得子结构响应分析和灵敏度计算在程序上融为一体。

Some say that house is a symbol of home, no house men, there is no feeling of home, like duckweed, everywhere flutter; or the guerrillas, fighting for a shot.

有人说，房子是家的象征，没有房子的男人，就没有家的感觉，像是浮萍，四处飘荡；或者是游击队，打一枪换一个地方。

And yellow eaves of autumn, which have no songs, flutter and fall there with a sigh.

秋天的黄叶，它们没有什么可唱，只叹息一声，飞落在那里。

We have established the basic equation of eigenspace assignment theory and obtained a preliminary control law of active flutter suppression .

建立了特征空间配置理论的基本方程，并针对某机翼的弹性运动初步设计了一个颤振主动抑制控制律。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。