double lines meaning in English

双回线
双线

He looked at the double line of peasants and he spat on the ground .
他望望两排农民，朝地上啐了一口唾沫。
"kids" and "pandas" swing toward the center, coming to a halt in a double line .
“小山羊”和“熊猫”队队员迅速走向球场中央，止步成双行站立。
Crossing continuous double lines inside road tunnel
横过行车隧道内的连续双
The opening formed by such a doubled line
圆孔这样的折叠的绳子所形成的圈
Analysis of characteristic impedance of strip double line
矩形截面带状双线传输线特性阻抗分析

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