为了在预期站点建立更准确的风速和风向图，一些公司转向激光或者声纳系统基础的测量仪器完成MCP。
To establish a more accurate picture of wind speed and direction at prospective sites, some companies are turning to laser and sonar-based measurement instruments to complement MCP.
激光可以用来作精密测量非常小的物体的测量仪器。
Lasers can be used as measuring instruments for making accurate measurements of very small objects.
这一事实导致使用补偿技术，以纠正和减少那些可以提前测量仪器，如激光干涉仪测量误差。
This fact leads to use compensation techniques to correct and minimise those errors that can be measured by advance measuring instruments such as laser interferometers.
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