The first nature frequency of the structure improved 35.7% and the second and upper nature frequencies of the structure improved over 63% after the optimum design.

最后对结构进行了优化设计，优化后结构一阶固有频率提高35.7%，二阶以上固有频率提高63%以上。

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The paper studies the random question of rocket self-defect, puts forward a new method of reducing the effect of rocket dispersion by designing equitably the first nature frequency of launcher.

本文研究了火箭弹自身缺陷的随机性。提出了通过合理设计发射装置一阶固有频率，克服火箭弹自身缺陷对落点散布的影响。

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However, when early humans first began to reflect on the nature of things around them, they discovered that they needed an idea of number simply to keep their thoughts in order.

然而，当早期的人类第一次开始反思周围事物的本质，他们发现只是为了让思维保持有序也需要有数字的概念。

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and the forces of nature. I dreaded that first robin so, But he is mastered now, And I'm accustomed to him grown-- He hurts a little though I dared not meet the daffodils, For fear their yellow gown Would pierce me with a fashion So foreign to my own.

VOA: special.2010.07.18

So, the first half of the class is going to be concerned with questions about the nature of death.

所以，课程的前半部分将会集中在,死亡本质的问题上。

耶鲁公开课 - 死亡课程节选

First there is the comparatively lowly kind which turns for support to the simple emotions and is of a definitely personal nature.

首先是相对低端的一种,只是支撑起简单的情感,这是一种明确的人类本性。

耶鲁公开课 - 1945年后的美国小说课程节选

They realize for the first time the innate nature of loss aversion.

FORBES: By Stephen Horan, PhD, CFA, CIPM

This project is one of the first of this nature in the UK that uses a full symphony orchestra.

BBC: Creating music accessible for deaf children

However, it ruled it had not breached the ITC's programme code, but it "had concerns about the celebratory nature of the first episode".

BBC: john simm