Method: by adopting grouping and comparison methods, to compare pain degreeof patients accepted HCG intramuscular injection taking either normal saline or water for injection as dissolvent.
采用分组对照法，比较生理盐水和注射用水作为绒毛膜促性腺激素溶媒肌肉注射时的疼痛程度。
2
The watered-out zones, interpretation are very difficult because they are affected by many dynamic-factors, such as the quality ofinjectionwater, the degreeof watered-out and patterns.
水淹层解释受注入水性质、水淹程度、泣采井网等动态因素的影响而具有相当的难度。
3
The interpretation precision and application degreeof this information can be improved very well through the corrective method and secondary interpretation to waterinjection profile information.