The test result shows that clamper greatly increases only the first natural frequency.
结果表明，夹板只对第一阶固有频率有较大提高。
Eventually the little boat can go no further. We have reached the first natural fast water plunge pool.
最后小船不能再往前走了，我们到了第一个天然的冲击潭。
The first natural frequency and all natural frequencies areobtained by the power method and the QR method, respectively.
分别用幂法和QR法计算结构的第一和所有自振频率。
Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency.
可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。
The results showed that there was a better correlation between the first natural freqency( f ) and sugar contents of watermelon.
研究表明，传统的判断西瓜成熟度的含糖量与西瓜的振动基频有较好的相关关系。
They feel more and more oppression from the controlling forces, and of course the first natural response is to defend themselves.
他们感受到来自控制势力的越来越多的压迫，所以第一反应就是去保护自己。
This paper analyzes the problem of recovery methanol from sewage containing methanol of first natural gas treatment plant of Changqing gas field.
分析了长庆气田第一天然气净化厂甲醇回收装置运行中存在的问题。
The percentage of fatigue life under first natural frequency of random spectra in fatigue life of specimen decreases with decreasing stress level of random spectra.
一阶固有频率下振动在试件疲劳寿命中所占的比重随着随机载荷谱均方应力值的降低而降低。
At last, using finite element analyse software, the composite laminate camera mount is simply optimized aiming at maximizing its first natural frequency, which has an increase of 28.88%.
最后，借助有限元分析软件，对复合材料相机支架进行了以基频最大化为目标的简单优化设计，将相机支架的基频提高了28.88%。
There is, first, the New York of the man or woman who was born here, who takes the city for granted and accepts its size and its turbulence as natural and inevitable.
首先是纽约这座城市，在这里出生的男男女女们认为这座城市的存在是理所当然的，认为城市的规模和动荡都是自然形成的，是必定会发生的事情。
Charles Darwin, the first to describe the role of natural selection in speciation, wrote about the mechanisms of speciation.
查尔斯·达尔文是第一个描述自然选择在物种形成中的作用的人，他描写了物种形成的机制。
According to the first of these theories, each individual have evolved, aided by natural selection, an adaptation to the rhythmic environment.
根据第一个理论，在自然选择的帮助下，每个个体都进化出了对有节奏环境的适应。
According to the first of these theories, each individual has evolved, aided by natural selection, an adaptation to the rhythmic environment.
根据第一个理论，在自然选择的帮助下，每个个体经过进化都适应了这个有规律的环境。
Carbohydrates were first named according to their natural sources, like beet sugar, cane sugar, grape sugar and sweet corn glycogen.
碳水化合物最初是按照它们的天然来源来命名的，例如甜菜糖、甘蔗糖、葡萄糖、甜玉米糖原。
After three years, he won a first class honor degree in natural science.
三年后，他获得了自然科学一级荣誉学位。
Three days later, when she was tidying up and looking at Jimmy's desk, she read the first sentence of his paper, "For three generations there have been no natural births in our family".
三天后，在她整理查看吉姆的书桌时，她读到了吉米论文的第一句话：“我们家三代人都非自然出生”。
The first part describes the syntheses of natural products by means of diastereoselective propargylation.
第一部分描述了通过非对映选择性炔丙基化合成天然产物。
With my first pregnancy, I hired a photographer acquaintance to take some ethereal, natural pictures of me.
我第一次怀孕的时候我请一个熟悉的摄影师为我拍摄了轻盈自然的照片。
The folded solar eco-skin of the building serves two purposes - first, the envelopes provide natural air flow to the interior to minimize air conditioning.
折叠型的太阳能“皮肤”将有两重意义：首先，建筑外墙为内部提供自然的空气流动，将会把空调成本降到最低。
Forgiveness stands first of all other natural remedies.
在所有自然疗法中，原谅首当其冲。
First, many transporters enjoy a natural or state-granted monopoly and need to be restrained from exercising it with too much abandon.
首先，多数运输者更青睐于一个自然的或者国家允许垄断的公共运输工具，并且应被严格限制，以防止运用其时出现不确定的情况。
This isn't the first time dolphins have converted a natural item into a useful tool.
对于海豚来说，这并不是第一次把自然物变成有用的工具。
Q: First question, will the cancellation of China-Australia natural gas contract affect bilateral relations?
问：第一个问题，中澳天然气合同取消对中澳关系有何影响？
First, I think you can buy shares of the natural-gas producers with the best balance sheets right now.
第一，你可以选择财务良好的天然气公司在目前的价格买入。
The first tip is that you should use natural soap that is compatible for very sensitive skin.
你应该使用适合极度敏感肌肤的天然香皂。
“For the first time she no longer has natural enemies in the party, ” says Mr Altmaier.
“她第一次在党内没了对手。” 奥特梅尔说。
“For the first time she no longer has natural enemies in the party, ” says Mr Altmaier.
“她第一次在党内没了对手。” 奥特梅尔说。
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