It's a proper time to start it when a unit is over.
一个单元结束时是开始这件事的合适时间。
That is the stuff that goes through my curve, in unit time,for a small portion of curve.
这就是在单位时间内，通过一小部分曲线的流体了。
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。
Now, if you are worried about the fact that actually if your unit time is too long then of course things might start changing as it flows.
如果你有点小担心，担心单位时间取得过长的话，流体的情况会发生变化。
If you were thinking of a velocity field, that would measure how much fluid is passing through the curve in unit time.
想象一个速度场，它能够度量，单位时间内流体的量。
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。
An excellent metric for volatility is gross change per unit time, with the overall assessment being the trend over time for this metric.
易变率的一个杰出的量度是单位时间的总变更，以及该量度随着时间的趋势的整体评估。
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。
Sedimentary speed: unit time parts deposition on the surface of the metal thickness.
沉积速度：单位时间内零件表面沉积出金属的厚度。
The respiratory rate and catabolism pathway are described respectively by using relative mol number of consumed oxygen during unit time and respiratory quotient.
用单位时间的相对耗氧摩尔数来反应呼吸速率的快慢，而用呼吸商来反应呼吸过程中代谢燃料的分解途径。
And, depending upon, say the density of the gas or the liquid, the size of the molecules, they change parameters in the simulation, how far it, say, goes in each unit time and things like that.
这还取决于，比方说，液体或气体的密度，分子的大小，它们改变了模拟程序中的参数，它们在一个时间单元内运行的距离，或者之类的。
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。
To college students, it is inevitable in the information ages to practice their ability of fast reading and realize the fact that they can get more useful information from books in unit time.
对于大学生来说，训练快速阅读的能力，实现在单位时间里从书刊中获取更多有用的信息，已为信息时代的要求所必然。
As a result, Kuhuang Injection can vastly promote bile secretion of anesthetic rat and markedly increase bilirubin content in bile in unit time.
实验结果，苦黄注射液能显著促进麻醉大鼠的胆汁分泌，并能明显增加单位时间内胆汁中胆红素的含量。
The dynamic helix refers to one or more formative propertis changing helix in a unit time.
动态螺旋线指的是在单位时间内，产生一种或者多种形态属性变化过程的螺旋线。
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。
In earthquake process, average strain rate of the research block is equal to the sum of all seismic moment tensors of the earthquakes taking place in unit time and physical volume.
所研究地块内地震过程引起的平均应变速率等于发生在单位时间、单位体积内的所有地震的地震矩张量之和。
The measured CO2 values are substituted in a formula to calculate the CO2 flux per unit area and per unit time at different depths under standard atmospheric pressure .
将测得的CO2浓度值代入计算公式，即可求得标准大气压下某一深度土壤单位面积、单位时间内的CO2通量值。
By the calculation it is found that the decreasing radius is all the same for different particle radius at per unit time when the spherical sample particle is evaporated.
本文在计算恒温下蒸发球形试样粒子时，发现每单位时间蒸发缩小的半径相等。
Not only does the distance traveled in unit time remain the same but the direction does not change as well.
不仅单位时间内移动的距离不变，而且其方向也不改变。
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。
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。
Propose unit time turnover EEOI be used to correct speed influence in order to reflect ship energy efficiency in an objective and overall manner.
建议引入了单位时间周转量EEOI指数，修正航速对EEOI的影响，以更客观全面地反映船舶能效。
Last algorithms are designed for flow flux statistic, unit time traffic load, vehicle speed and roadway occupancy rate. Traffic flow parameter detection is implemented.
并且设计了车辆计数、速度测量、车道分钟交通量和车道时间占有率的算法，实现了交通流参数的检测。
Water vapour transmission rate (WVTR) : Mass of water vapour transmitted through a unit area in a unit time under specified conditions of temperature and humidity.
译文：水蒸气透过率(WVTR)：在一定的温度、湿度条件下，单位时间内透过单位面积的水蒸气的质量。
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。
Gas transmission rate: the volume of gas which, under steady conditions, crosses unit area of the sample in unit time under unit pressure difference and at constant temperature.
译文：气体透过率：在一定的温度下，在单位时间内单位压力差下，稳定透过单位面积试样的气体体积。
Gas Transmission Rate (GTR) : the quantity of a given gas passing through a unit of the parallel surfaces of a plastic film in unit time under the conditions of test.
译文：气体透过率(GTR)：在试验环境下，在单位时间内、单位面积上透过塑料薄膜两平行平面的特定气体总量。
Then, the interrupt of the single chip timer had been used to time precisely, and the Hall pulse number had been counted in unit time.
采用霍尔传感器采集液压泵旋转产生的脉冲，结合单片机定时器的中断来精确计时，并对单位时间内的霍尔脉冲数进行统计。
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