这群科学家称，植物并不像我们一直以为的那般安静，事实上，它们的声音频率极高，高到我们根本听不到。
The group of scientists said that plants are not as quiet as we had always thought, but in fact their voices are so high-pitched that we just can't hear them.
针对群智能机器人系统的特点，提出了一种基于单一频率信号的声音协作定向方法。
A collaborative direction estimation method based on single frequency sound is proposed for swarm-based robotic systems.
结果表明，在高频群脉冲电源作用下，选择较高的主脉冲频率，可获得良好的加工质量。
It is indicated from the results that effected by the high frequency group pulse power, higher machining quality is obtained by choosing higher main pulse frequency.
在甘肃白猪的两大地方类群中，临夏类群第8对染色体上次缢痕出现的频率高于武威类群。
In two native groups of Gansu white pig, the frequencies of secondary constrictions in 8th chromosomes in Linxia group were higher than in Wuwei group.
竖直放置的驻波管在共振频率下，位于其管底的微小颗粒群会在一定声压级下产生悬浮现象，即腾空而起，悬浮在波幅波节平面。
Under the frequency of resonance, small particles which are in the bottom of an upright standing wave tube will rise and move to the node, or loop planes, and keep suspending there.
给出了脉冲电化学加工极间平衡间隙的数学模型，并据此讨论了高频群脉冲电化学加工中，电源主脉冲频率与平衡加工间隙的关系。
Based on the model, the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed.
研究了群色散和非线性频移随频率和薄膜厚度的变化规律。
The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.
发现带电粒子以电荷群的作用力为向心力做圆周运动时，有一常数乘以频率等于带电粒子的动能。
It finds that there is a constant multiplied by frequency which is equal to the kinetic energy, when a charged particle does circular motion for the centripetal force product by the charge group.
由于采样速率、滤波器转折频率、建立时间、群延迟和输出字速率与外部时钟频率呈比例变化关系，因此这些参数也会相应降低。
The sample rate, filter corner frequency, settling time, group delay and output word rate will be reduced also, as these are proportional to the external clock frequency.
建议在静态一次堆肥发酵周期中，增加通气量和翻堆频率，有利于增强微生物菌群的活力和提高堆肥质量。
It is of important to provide a suitable environment for the growth of thermophilic microorganism, during the first period of the static composting process, add tot...
斯波西托的核心顾客群坚持三到六周的剪发频率，但是有一些顾客每周都会来，他们希望一直保持他所谓的“新球鞋的样子”。
Mr. Sposito's core clientele adheres to the three-to-six-week time frame, but a few visit as often as once a week, hoping to constantly maintain what he calls "the brand-new-sneaker look."
通过观察群体蛔虫再感染和感染率的动态变化，本文提出了群体驱治蛔虫的间隔时间——群治频率。
The dynamics both reinfection and infection rates of Ascaris lumbricoides was observed among 581 school children.
通过观察群体蛔虫再感染和感染率的动态变化，本文提出了群体驱治蛔虫的间隔时间——群治频率。
The dynamics both reinfection and infection rates of Ascaris lumbricoides was observed among 581 school children.
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