The research result in the paper shows that accurate tool face angle can still be obtained under this circumstance.
研究表明，即使在这种情况下，完全可以求得准确的工具面角；
The measure theories and methods of tilt angle and face angle are introduced combining with the composing principle and design of the transmitter of No-Dig navigating instrument.
结合非开挖导航仪器中探头部分的整体构成原理与设计，介绍了倾角、工具面向角等关键技术参数的检测原理与方法。
The measure theories and methods of tilt angle and face angle are introduced combining with the composing principle and design of the transmitter of No-Dig navigating instrument.
结合非开挖导航仪器中探头部分的整体构成原理与设计，介绍了倾角、工具面向角等关键技术参数的检测原理与方法。
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