讨论了固体激光器中以两根串联氪灯为负载时所用高精度激光电源的方案选择及技术要点，探讨了激光电源精度提升的新思路。
It is discussed the scheme to select the circuits and some technical essentials of high-accuracy laser power in solid-laser, when the load is two series-connected Kr lamps.
在达到同等阻尼效果时通过增加钢筋根数，提高了系统的微调能力和模拟波形的精度。
The objective of increasing the steel bar′s number, achieving the same damping effect, and improving the tiny adjusting ability and the precision of simulating wave are all realized.
此外，土壤质地、石砾多少、微根管材料选择、减少光系统对根系的干扰等也是影响微根管测定精度的因素。
Soil texture, tube material, and disturbance of light on root were also the factors affecting the precision of the method.
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