这个结论是从二次四臂交叉治疗研究得出的。

The findings come from two four-arm, cross-over treatment studies.

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本文提出由传感器和四臂桥式电路组成的复合桥路。

In this paper, the compound bridge consisting of sensors and some electrical elements is proposed.

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四臂正弦天线是一种用途广泛的宽频带双极化天线。

As an important form of wide-band dual polarization antenna, the four-arm sinuous antenna has been widely used in EW equipments.

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