| 1. | The pressures referred to below are the average pressures on a particular face .
下面所提到的压力是指作用于某一特定面上的平均压力。 |
| 2. | Areal average pressure
区域平均压力 |
| 3. | The overlying burden of the crust and mantle creates average pressures in the core two million times that at the planet ' s surface
地壳和地函的重量，使地核内的平均压力高达地表压力的200万倍。 |
| 4. | The outcome shows that the ratio of the distance of average pressure position from the entrance to water of drip line to the length of drip line varies from 0 . 3 to 0 . 4
模拟结果显示，毛管的平均压力水头在距离毛管进水头0 . 3 0 . 4范围内变动。 |
| 5. | The airtight - combined hydro cylinder makes the rubber inosculate with soles firmly and the shape of the sides to reach an average pressure , firm joint and no space effect
本机采用密排式组合油缸设计，使橡胶块能很好地吻合鞋底，鞋边之曲线形状，产生压力均等、贴合好，不留间隙死角之理想效果。 |
| 6. | Experimental researches of characteristics of hydrodynamics pressure and cavitation on the front of aeration - baffle have been done so as to obtain the distributions of the fluctuating pressure and time - averaged pressure
通过对齿墩墩头的动水压强及空化特性的研究，得到了时均压强和脉动压强分布规律。 |
| 7. | Then , how should we determine the average amount of dripper in little irrigation district ? an operational measure is to make average pressure position of drip line certain and determine the flux of emitters in average pressure position
在灌水小区内，能够准确及时的测定灌水小区内灌水器的平均灌水量，才能精确控制灌水小区的灌水量。 |
| 8. | Average pressure position of drip line is determined by programming on conditions that the distance of emitter , the styles of emitter the diameter of drip line and the length of drip line vary within probable range
在田间滴灌管网常见的布置情况下，如灌水器间距、灌水器类型、毛管管径、毛管长度等在各种可能的变动范围内，模拟毛管上平均压力水头所在位置的范围。 |
| 9. | The simplified mathematical model of the prosthetic socket / residual limb system has been developed to analysis the stress on the residual limb . with this model it is analyzed the calculation method of the pre - pressure , average pressure and shear stress . it is discussed the support action of friction in stress distribution of the residual limb with an actual example
建立接受腔残肢系统的简化数学模型，应用该模型分析了残肢上预应力、正应力、剪应力等的理论计算方法，应用实例探讨了摩擦力在接受腔残肢界面受力分布中发挥的重要作用。 |
| 10. | ( 4 ) through the hydraulic property experiment of micro - hole lateral pipes of simple sdi in air , it was found that the average pressure of 60 mitre length lateral pipes was at the position of per 40o / o ~ ~ ~ 50 % of the effectual pipe length from the fist micro - hole , major pressure - loss was occurred at the ahead part of half pipe . the pressure uniformity reduced with orifice aperture ? increasing , and the relationship between pressure uniformity and initial water pressure was poor . running under the initial water pressure of 1 . 5 meter , the discharge uniformity reduced with orifice aperture ? increasing , and when the orifice aperture smaller than or equal 1 . 0mm , irrigation uniformity could achieve above 0 . 6
（ 3 ）通过对空气介质中简易地下滴灌的微孔毛管试验研究发现： 60m管长的毛管平均压力水头的位置基本上在距第一孔口的有效管长40 - 45的地方；大部分水头损失发生在毛管的前半部分；压力均匀度随孔径的增大而减小，但与初始工作水头关系不密切；在1 . 5m以下的工作压力下运行，沿程出流均匀度随孔径的增大而降低，当孔径不大于1 . 0mm时，灌水均匀度可以达到60以上；当孔径大于等于1 . 2mm时，灌水均匀度低于50 。 |
