合理应用微电子技术和有效的程序设计，使得一台具有高抗干扰能力的低成本便携式距离测量仪器得以实现。
By the reasonable using of microelectronics and efficient software design the portable distance measurement instrument with the low costs and high robustness was realized.
更多先进的测量设备在投掷类项目中得到应用，如电子灯光感应系统取代了卷尺，它能更快更准确地测量距离。
More recently measurement in throwing events has progressed from tape measures to electronic light sensing systems that can record distances quickly and accurately.
更多先进的测量设备在投掷类项目中得到应用，如电子灯光感应系统取代了卷尺，它能更快更准确地测量距离。
More recently measurement in throwing events has progressed from tape measures to electronic light sensing systems that can record distances quickly and accurately.
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