Conclusion It is an effective method for adjusting the strength, direction, range and frequency of laser to prevent bleeding, perforation and long term urethral stricture.
结论根据患者特点调控激光强度、照射方向、范围、次数是防止出血、穿孔和远期狭窄的有效手段。
2
One of the most effective and feasible ways of broadening the range of the output wavelength is using frequency conversion of non-linear Crystal under the condition of phase matching.
拓宽激光输出波长的范围最常用最有效的方法之一是利用非线性晶体在相位匹配条件下的频率变换技术。
3
Based on word frequency, RANGE, a program for vocabulary statistics, provides an effective way of automatically assessing productive vocabulary.