Frequency is a measure of the number of occurrences of a repeating event per unit of time.
频率即衡量单位时间里重复事件发生的次数。
Countries whose workers produce a large quantity of goods and services per unit of time enjoy a high standard of living.
一个国家的工人单位时间内能生产大量的商品和服务，那么这个国家享受较高的生活水准。
Income is a flow of earnings per unit of time. Money, by contrast, is a stock: it is a certain amount at a given point in time.
收入是某一单位时间内收益的流量，而货币是一个存量，即某一时间点上一个特定的金额。
To decrease the number of head lice episodes per unit of time, control measures should include the treatment of all household contacts.
为了减少每个时间单位内出现头虱症患者的数量，应采取包括治疗所有家庭接触者在内的控制措施。
It was found in the study that the use of ultrasonic wave increased the concentration of O3 per unit of time because of ultrasonic dispersion;
研究发现，超声可以通过超声粉碎作用，增加单位时间内O3的浓度；
Reaction rate: Speed at which a chemical reaction proceeds, in terms of amount of product formed or amount of reactant consumed per unit of time.
反应速率：化学反应进行的速度，用单位时间内产物的生成量或反应物的消耗量来表示。
A flow variable represents the change per unit of time, like the flow of water in a river or the flow of revenue and expenses into and out of a firm.
流动可变性是指每单位时间内的改变，例如河中水的流动或者公司收入和支出的资本流动。
Figure 3 shows the relative impact on message throughput (messages processed per unit of time) associated with each of the four message formats discussed.
图3显示了上述四种消息格式对消息吞吐量(单位时间内处理的消息数)的相对影响。
Sound is a form of energy transfer and we could define loudness in terms of the energy per unit of time or power output of the sound, but it wouldn't give the complete picture.
声音是能量传递的一种形式，我们可以用单位时间内的能量，或声音产生的能量来为衡量响度，但这还不全面。
The other way to think about it is divergence is the source rate, it is the amount of fluid that is being inserted into the system, that is being pumped into the system per unit time per unit area.
另外一个理解方法是，散度是源头的“冒出率”，它是流体往系统输入的量，也就是单位时间内，单位面积新冒出的流体。
However, for us humans, this information matters, particularly if our productivity — how many of these ones and zeros we can produce per unit time — is taken into account.
然而，对于我们人类，该信息是要紧的，特别是如果考虑到我们的生产力——单位时间内我们能处理这些零一指令的数量。
Physically, see, this guy on the left is the total amount of stuff that goes out of the region per unit time.
看这儿，左边的这个是单位时间内,从区域里出来的流量。
Is basically the force of these molecules hitting that membrane per unit time, times the number of molecules hitting.
本质上来说压强是这些分子，单位时间轰击薄膜的力，乘以轰击的分子数。
Physics The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.
功率：做功的速率，用每单位时间内所做的功的量来表示，通常用瓦特和马力为单位。
The frequency of a sound wave, perceived as pitch, is the number of compressions that pass a fixed point per unit time.
声波的频率就是感觉的音调，是单位时间通过定点的压缩数目。
This is the amount of oxygen the body can utilize per unit weight per unit time .
这是氧气量体，可利用每单位重量每单位时间。
In this paper, we focus on two different perspectives to improve ETL tool, a reduce the data set which ETL process deals with, b improve performance of ETL process per time unit.
本文从减少ETL过程处理数据集规模和提高单位时间内etl过程数据处理能力两个角度入手对etl工具进行改进。
Under the condition that transportation condition, road condition and measure standard are given, the capacity of highway means the maximum traffic capability per unit time.
公路通行能力是指在特定的交通条件、道路条件及人为度量标准条件下，单位时间内能通过的最大交通量。
The thickness formula of forming cake layer per unit time of rotary tangential flow is derived.
推导出旋转切向流单位时间内形成滤饼层的厚度公式。
An implementation method with low computation complexity (number of computation needed per unit time) is given based on multirate digital signal processing theory.
以多速率数字信号处理理论为基础给出了具有低计算复杂度的实现方案。
A difference in the transportation rate or the number of vehicles per unit time to the same destination over different routes, so as to equalize traffic.
单位时间内途经不同路线到达同一目的地时，在交通运费或运输工具数量上的差异，以便平衡运输量。
Equipments random inventory management strategy and relevant factors include ordering cost, storage cost, average cost per unit time, probability of no shortage of spare parts, and decision models.
器材随机库存管理控制策略及其有关因素包括：订货费用、存贮费用、单位时间内备件的平均费用、不缺备件概率及决策模型。
Oxygen Transmission Rate (O2GTR): The quantity of oxygen gas passing through a unit area of the parallel surfaces of a plastic film per unit time under the conditions of test.
氧气透过率（O2GTR）：在试验条件下，在单位时间内透过单位面积试样的氧气数量。
Road network average delay per unit distance OD pathway is designed to provide travel choice travel path, travel time delay estimation and the evaluation of the path delay for the travelers.
路网od径路单位里程平均延误旨在为出行者提供出行径路选择，出行延误时间估计道路延误水平评估等作用。
Reaction rate is measured by the change in concentration of a reactant or product per unit time.
反应速率是指单位时间里反应物或生成物浓度的变化。
Important is the degree of solute purity and the throughput, which is the amount of compound produced per unit time.
最重要的是溶质的纯度和流量，即单位时间内产生化合物的量。
Emission of light of the display cell is controlled so that it blinks by a number of times per unit time corresponding to the number of frames per unit time.
控制显示单元的发光，以便其闪烁，闪烁次数对应于每单位时间的帧数量。
Theoretical cooling curves, the relationship between cooling curve, fraction of solid and liberation of latent heat per unit time, and experimental results are presented.
给出了理论冷却曲线、冷却曲线、固相率及单位时间内潜热释放速度之间的关系及实验结果。
By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.
通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。
By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.
通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。
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