No flow of water occurs through the pipe unless there is a difference in pressure.
若没有不同的压力给管道的话，那么就不可能有流动的水通过管道。
In the case of a plane, it's the difference in pressure on the top and bottom of its wings that keeps the craft afloat.
以飞机为例，它双翼上方与下方的压力各不相同，正是这不同的压力使得飞行器保持悬浮。
There's virtually no lag time, and there's no drastic difference in pressure if two or more faucets are open simultaneously.
不会有延时，当两个水龙头同时打开的时候也不会感到水压明显的不同。
In events like these, the sucking force originates from a difference in pressure between the cabin environment and the outdoor one.
在像这样的事件中，吸力源于机舱环境与外部环境的压力差。
By exploiting the pressure difference between these two bodies of water we can extract energy commensurate to the difference in pressure.
通过利用水之间的这两个机构的压力差，我们可以提取能量相称的压力差。
The root cause of difference in professional identity of different non-professional preschool teachers lies in the difference in pressure and culture efficacy cause.
文化效能的衰退以及压力的变化是不同年龄以及教龄非学前幼儿教师职业认同有差异的根源所在。
The diameter and the number density of microbubbles are controlled by changing the difference in pressure inside and outside of tube and the velocity of liqulid cross-flow outside of tube.
微气泡的大小和数量通过改变管内外的压差和管外剪切流速度来控制。
This difference in performance gain is predictable because the pressure on the TLB cache increases as the size of the database and the memory assigned to the DB2 buffer pools increases.
这两组测试得到的性能结果的不同是可以预测的，因为随着数据库和分配给db2缓冲池的内存的增加，TLB缓存上的压力也随之增加。
The structure would utilize atmospheric energy conversion by converting the difference in atmospheric pressure at the top and bottom of the structure into electrical power.
这个建筑将利用大气能量的转化——将顶部和底部大气压的压差转化为电能。
The difference is that now they emerge in pressure on bond yields and ballooning current-account and budget deficits, rather than in dramatic foreign-exchange crises.
区别是现在主要表现在对债券收益率、股票上涨往来帐户和预算赤字的压力上，而不是富有戏剧性的外汇危机上。
At the end of the study, there was no difference between the groups in measures of heart disease risk, such as blood pressure and cholesterol levels.
研究接近尾声时，经测量几组参与者患心脏病的风险，比如血压和胆固醇水平，并无区别。
I don't know that I make a big difference in the lives of the kids that I work with, but I do know that I can take some pressure off of those that are able to devote more time.
我不知道我给我帮助的孩子们的生活带来了很大的变化，但是我知道我可以舒缓一些能够献出更多时间的人的压力。
In other words, the difference in the chemical potential is, this changes as a function of pressure.
换句话说，化学势之差等于，这个差值随着压强的变化。
This is due to the difference between the pressure and the temperature in the car engine system.
这是由于不同的压力和温度之间在汽车发动机系统。
True, market pressure lifted a bit on Wednesday after central Banks made a splashy announcement about expanded credit lines (which will, in fact, make hardly any real difference).
没错，周三，在多家银行引人注目地宣布扩大信贷额度(实际上，这种做法并不可能实现真正的改观)之后，市场压力得到缓释。
Air accumulation in the condenser owing to insufficient output of air extractor can increase the terminal temperature difference and the air pressure component.
抽气器出力不足而引起的空气在凝汽器内积聚，使得凝汽器端差和空气分压力均增大，对凝汽器真空造成双重影响。
The results show that in SF6 there is obvious difference between the positive and negative onset voltage and the difference is increased by an increase of gas pressure.
在较大分子的气体（如SF_6）中，正、负电晕起始电压有明显差别，而且随着气体压强增加而增大。
Results Two methods obtain the systolic pressure and the diastolic pressure have the remarkable difference in statistics.
结果：两种方法测得的收缩压和舒张压在统计学上差异具有显著性。
Refractive index field of atmosphere distributes homogeneously due to the difference of pressure, temperature, relative humidity and carbon dioxide content in the atmospheric optics.
在大气光学成像领域，由于大气中压强、温度、相对湿度和二氧化碳含量的不同，导致大气折射率场呈非均匀分布。
Simulates the changes of pressure difference, velocity field and the air flow in the door opening process, and discusses the influence to the contamination dispersion.
模拟了开门过程病房内外压差的变化，门附近的流场状况，以及进出门气流的变化状态，探讨了开门对污染物扩散的影响。
The difference between static bottomhole pressure and flowing bottomhole pressure (in psi) at a constant fluid production rate.
在恒定的流体产量下，在井底静压力与井底流动压力之间的压力差值。
Objective: to form formulas to calculate the pressure difference between left renal rein and inferior vena cava and test the value of this pressure difference in the diagnosis of Nut Cracker Syndrome.
目的：构建计算左肾静脉与下腔静脉之间压差的方程序，并检验其在胡桃夹综合症诊断中的价值。
The flow distribution and pressure difference of different coolant channels in the standard fuel assembly at rated operating condition are reached.
计算得到了额定工况下标准燃料组件内各个冷却剂通道的流量分布和不等间隙通道燃料板两侧压差。
Centrifugal force has considerably effect on the pressure difference in sealing as shaft speed and diameter being large.
转速较高或转轴直径较大时，离心力对密封压差有较大的影响。
The bottom plate pressure difference is an important parameter in design of a throttled surge chamber structure.
底板压差是阻抗式调压室结构设计中一项重要参数。
Analyses the cognition to pressure difference function and the pressure difference values recommended in foreign literatures.
分析了国外文献中对压差作用的认识和压差设定值。
Analyses the cognition to pressure difference function and the pressure difference values recommended in foreign literatures.
分析了国外文献中对压差作用的认识和压差设定值。
应用推荐