Although the seismic log and VSP velocity are accuracy, but determined velocity data of Wells on sections are little and insufficient to control the horizontal change of velocity.
地震测井和VSP测定的速度精度较高，但剖面上的井测定的速度资料很少，不足以控制速度的横向变化。
The results of application show that the response of system is rapid and the control accuracy is high enough to meet the demand of production of horizontal continuous casting.
现场应用表明该控制系统速度响应快，控制精度高，满足了水平连铸生产的需要。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
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