Analysis for stiffness on the bend vibration natural frequencies of a helicopter tail drive system

  • 刚度对直升机尾传动系统弯曲振动固有频率影响的分析
  • 来源:互联网摘选更新时间:2025-01-20 11:53:46

  • 重点词汇
  • aart. (用于可数名词或单数名词前,表示未曾提到的)一(人、事、物);用于前有形容词或后有短语的不可数名词前;一(个);每一(个);任一(个);
  • helicoptern.直升机,直升飞机;
  • frequenciesn.(某事发生可重复的)频率( frequency的名词复数 );发生率;(声波或无线电波的)振动频率;经常发生;
  • analysisn.分析,分解;梗概,要略;[数]解析;验定;
  • systemn. 体系,系统;制度;身体;方法;
  • on the bend<口>阴险的,不正当的(指手段);
  • naturaladj. 自然的;物质的;天生的;不做作的;
  • drivev.驾驶(送人);推动;击打;(风等)吹,刮;驱逐;迫使;
  • forconj.因为,由于;
  • vibrationn.摆动;震动;感受;(偏离平衡位置的)一次性往复振动;
  • stiffnessn.僵硬;生硬;强直;顽固;
  • 相关例句
1、

Experimental Studies on the Bend Deformation of Welding Structure

焊接结构弯曲变形实验研究

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2、

I went on the bend with an intimate friend.

我和一个知心朋友痛饮了一番。

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3、

He promised to give up being on the bend.

他答应不再纵酒胡闹。

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4、

The fracture toughness K IC and interphase energy G IC of Ag-Cu/ Ti nan'on bilayer film and Ti monolayer film composite system are tested by unilateral gap three-point bend method and double cantilever beam method.

用单边缺口三点弯曲法和双悬臂梁法分别测试了Ag-Cu/Ti纳米双层膜及Ti单层膜复合体系的界面断裂韧性KIC及界面断裂能GIC。

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5、

I had to bend double to get under the table.

我必须弓着身子才能钻到桌子底下。

《牛津高阶英汉双解词典》

6、

It drove you to bend back with all your might until your groins hardened, your thighbones pushed up and out, and your lower back arched too deeply.

你尽可能地向后弯曲,直到腹股沟变硬,大腿骨向上、向外推出,下背部过度地深弯。

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7、

On your next inhalation, lengthen the back of your neck and bend back slightly to counteract the tendency of your upper trunk to slump.

下一次吸气时,拉长颈部后侧并微微后仰来中和上半身含胸的趋势。

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8、

But call back, my lord, call back this pervading silent heat, still and keen and cruel, burning the heart with dire despair. Let the cloud of grace bend low from above like the tearful look of the mother on the day of the father's wrath.

但是请你召回,我的主,召回这弥漫沉默的炎热罢,它是沉重尖锐而又残忍,用可怕的绝望焚灼人心。让慈云低垂下降,像在父亲发怒的时候,母亲的含泪的眼光。

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9、

Taking into account of the requirements in terms of aerodynamics, structural mechanics and aesthetics, automotive extrusion profiles are generally need to bend into a certain curvature. So it proposes a higher demand on surface quality and accuracy of the curved profile.

考虑到空气动力学、结构力学和美观等方面的要求,车身用挤压型材一般都需要弯曲成一定的曲率,从而对弯曲型材的表面质量和准确度提出了更高的要求。

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10、

Join the AFRO-BET Kids for an acrobatic advernture! These irresistible characters creatively bend into every letter of the alphabet, illustrations and words reinforce each letter.

本书是很简单而有趣的字母学习书,每一个字母都有三个相关的单字,适合幼稚园儿童阅读。

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11、

If the blade is long and rotate speed of breaking is high, there are two notches in which the second notch is deepest and the blade bend into the shape of "U".

对于较高转速下飞断的长叶片,机匣上形成的第二个凹坑最深,叶片也卷曲厉害;

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12、

In observation, there is a southward jet in the western boundary of the South China Sea ( SCS), when the north wind is strong in winter. The jet stream can bend into wave, even eddy under certain conditions.

观测表明,当冬季盛吹北风时,在南中国海西边界附近将形成一支向南的急流,在一定条件下这支急流可弯曲成波动甚至形成涡旋。

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13、

Bend into a squat with your knees over your ankles.

身体弯曲成下蹲姿势,膝盖越过踝关节。

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14、

Kayaking or rafting the Horseshoe Bend of the Colorado River just north of the Grand Canyon may sound like your run-of-the-mill travel activity, but there is nothing ordinary about this white-water rafting experience.

在大峡谷北边的科罗拉多河的马蹄湾里划独木舟或竹筏,听起来像是平淡无奇的旅游活动,但这种激流伐舟的体验丝毫不普通。

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15、

Lucene comes with a class called the EnWikiDocMaker ( in Lucene's contrib/ benchmark package) that can read in a Wikipedia file dump and produce documents for indexing in Lucene.

Lucene提供了一个称为EnWikiDocMaker的类(包含在Lucene的contrib/benchmark包中),该类可以读取Wikipedia文件块中的内容并生成编入Lucene索引的文档。

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16、

HPL is a Linpack benchmark package widely used in performance test of massively parallel systems.

HPL是大规模并行系统广泛采用的Linpack测试软件包。

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17、

This Benchmark constructor executes a task many times, first to ensure code warmup, then to gather execution statistics.

Benchmark构造函数多次执行一个任务,首先确保完成代码预热,然后收集执行时间统计数据。

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18、

So, I avoided simple code like new Benchmark ( task), which carries out60 measurements ( by default).

因此,我避免使用new Benchmark(task)这样的简单代码(它在默认情况下执行60次度量)。

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19、

Analysis of the GT-MHR Benchmark Problem Preliminary Study on Helium Turbomachine for High Temperature Gas-cooled Reactor

气体透平氦气模块堆的事故分析高温气冷堆回热循环及透平机组的初步研究

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20、

We introduce benchmark functions to study the performance of the improved adaptive genetic algorithm and the traditional genetic algorithm.

通过利用测试函数来研究改进的自适应遗传算法和传统的遗传算法的性能。

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