Comparison between the oilwell jet pump and other artificial lifting equipment shows that the jet pump is more suitable for oil recovery from complicated Wells.
将采油喷射泵与其他人工举升采油设备进行的分析对比表明，喷射泵更适用于复杂油井的开采。
2
According to the real need, and after analysis and comparison, we proposed a primary solution of encryption of voice for mobile equipment of CDMA2000.
我们根据实际需要，经过分析和比较，提出了一个初步的CD MA2000移动终端语音加密解决方案。
3
The economic evaluation method can also be applied to comparison of homogeneous equipment.