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.
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。
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