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。
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田，稳定粮食播种面积，优化粮食品种结构，着力提高粮食单产。
This form has the characteristics of large connection contact area, small clearance, small unit area pressure, strong anti - horizontal torque ability and strong contact stability.
这种形式具有连接接触面积大，间隙小，单位面积压力小，抗水平扭矩能力强，接点稳定性强等特点。
The number of panicles per unit area was the most important yield components in determining final yield.
单位面积小穗数是决定最终产量最重要的产量构成因素。
In view of this project is the heavy steel structure, picks the double-decked trellis type rigidity support plan to the workshop, the unit area saves about 10% with the steel quantity.
针对本工程为重型钢结构，对厂房采双层格构式刚性支撑方案，单位面积用钢量节省10%左右。
First has to carry the heavy furniture into a new home, as a result of the stress per unit area is larger, if a new shop of wooden floor, it will be very easy to make wooden plate damage problems.
首先在搬运较重的家具进入新家时，由于单位面积的压力比较大，如果新家铺的木质的底板，就会很容易使得木质的垫板出现损坏的问题。
For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.
针对本工程为重型钢结构，对厂房采双层格构式刚性支撑方案，单位面积用钢量节省10%左右。
But the conventional activated sludge process technology has some shortcomings: long water residence time, low processing power per unit area, large area reactor, sludge bulking and so on.
但是传统的活性污泥法工艺存在工艺流程长、污水停留时间长、单位面积处理能力低、反应池占地面积大、污泥膨胀等缺点。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
可燃物负荷是测量每块地区可得燃料的数量，通常是每英亩的吨数。
Number of positive neurons of unit area refers to the positive neuron counts in each square millimeter.
单位面积阳性神经元数即每平方毫米面积中所含阳性神经元数量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度，它等于通过与能流方向垂直的单位面积上的声能量。
The trenches for cultivation can remarkably enhances the unit area output for the stem and fruit of Akebia trifoliate.
挖沟撩壕栽培能极显著地提高三叶木通单位面积内茎藤和果实产量；
To improve the surface quality of flexible formation using plasma arc, its heat-flow density on unit area is controlled by controlling the swinging of the plasma arc with the alternate magnetic field.
为进一步提高等离子体弧柔性成形的表面质量，利用磁场控制弧柱的摆动状态进而控制单位面积上等离子体弧的热流密度，使之达到预期目的。
The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
通过单位面积取样调查，定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
The maximum output power at the unit area was established as the principle to optimize the physical dimension of the device.
之后在器件的实际工作条件下，确立了以单位面积输出最大功率为原则对器件的几何尺寸进行了优化；
The yield unit area can be increased after rational stand transformation and tending management, farmers income raised.
通过合理的林分改造及抚育管理，可以提高单位面积的产量，增加林农的收入。
The maximum yield of corn kernel and straw crude protein in unit area is critical factor to determine the optimum harvesting maturity stage of corn.
单位面积上玉米子实和秸秆粗蛋白最大产量，是确定玉米最适收获时期的关键因素。
It was found that the oxygen concentration on carbon black surface is proportional to the ozone supplied per unit area of carbon black surface.
研究表明，碳黑的表面含氧量与提供给单位碳黑表面的臭氧量成正比。
On the other hand, the area of usable forest and the volume of standing timber in one unit area are descending sharply in our country, which aggravates the labor intensify impersonally.
但另一方面，我国用材林面积和单位面积上森林蓄积量都在锐减，这就在客观上增加了伐区区划和主伐调查设计的劳动量和劳动强度。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
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。
Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area.
用于各种织物的圆形取样，供测定织物单位面积质量。
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
当采油树或防喷器组关闭时，施加在井口单位面积上的力称之为为关井压力。
From the three experimental cultivars, under different densities, the branches number and length of branches in unit area increased along with the increase of density.
不同处理下，供试三个品种单位面积条数、单位面积条长变化均随日期、密度增加而增加。
There is potential for increasing the yield per unit area on the existing cultivated land.
提高现有耕地单位面积产量有潜力。
The paper puts forward the quantization formula by regarding fictitious yield per unit area as one way of contrasting and evaluating the economic results of aquaculture.
本文提出以虚拟单位产量作为比较与评价水产养殖经济效果的一种方法，给出了量化公式。
Faced to tillage land resource reducing and large proportion of hilly fields, increasing yield per unit area must be done to meet the need of increasing population at present and in the future.
辽宁省耕地资源少、坡耕地比重大，满足现在和将来日益增长的人口需要，必须在保护好现有耕地面积基础上，提高单产。
Faced to tillage land resource reducing and large proportion of hilly fields, increasing yield per unit area must be done to meet the need of increasing population at present and in the future.
辽宁省耕地资源少、坡耕地比重大，满足现在和将来日益增长的人口需要，必须在保护好现有耕地面积基础上，提高单产。
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