| 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. | Area mean pressure
面积平均压力 |
| 4. | 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。 |
| 5. | Steel tubes . welded plain end tubes of commercial quality for general purposes at mean pressure . dimensions technical delivery conditions
钢管.平均压力下一般商业用平端焊接钢管.尺寸交货技术条件 |
| 6. | 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。 |
| 7. | The systolic pressure is defined as the peak pressure in the arteries , which occurs near the beginning of the cardiac cycle ; the diastolic pressure is the lowest pressure ( at the resting phase of the cardiac cycle )
心动周期开始时动脉出现的最高值为收缩压，心动周期静息期出现的最低压为舒张压，心动周期全过程中的平均压力为平均动脉压。 |
| 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. | In this software , the calculating model was rebuilt . the dealing with division in two - phase flow resistance and the segment not evaporative when calculating the evaporative is added in order to improve the precision
这套软件重建了汽轮发电机蒸发冷却系统的计算模型，增加了两相流阻计算中按不同平均压力的分别处理以及蒸发点计算中未蒸发段阻力的处理，提高了计算精度。 |
| 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 。 |
