运用三联脚架法减弱仪器对中误差和目标偏心误差，从而提高导线测角和测距精度。

Using trigeminy tripod method weakens instrument center deviation and target partiality error, thereby improve wire goniometry and ranging accuracy.

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分析了角锥棱镜的制造角差、面形误差和测量过程中角锥棱镜的偏摆、俯仰、滚转对直线度测量的影响。

The effects on straightness measurement are analyzed for the cube-corner retroreflector with angle errors, surface errors, yaw, pitch and roll.

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对中精度一定情况下，微型边角网的短边测角误差相对大些，其成果应作不等精度混合平差。

Under a certain aim-mid precision, the error of short line Angle survey of the mini brim-angle net is bigger, so the production should be done the unequal precision mixable adjustment.

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