正线 main line
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易位系(translocation line)
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2、Isogonic lines are lines on a chart in
Isogonic lines are lines on a chart indicating ().Apoints of equal variationBpoints of zero variationCthe magnetic latitudeDmagnetic di
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道岔主线 main line of turnout
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Frapping lines().Asecure the lifeboat in the davits when in the stowed positionBbring the lifeboat close alongside the rail in the embarkation...
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5、POST-LINE重删与IN-LINE重删的主要区别是()。
POST-LINE重删与IN-LINE重删的主要区别是()。AIN-LINE重删技术能够边接收数据边进行数据重删BPOST-LINE重删技术先接收数据再进行数据重删CPOST-LINE重删技术存储空间利用率低...
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6、用一次Line命令连续绘出多条直线,在Line命令末结束,在TOPoint提
用一次Line命令连续绘出多条直线,在Line命令末结束,在TOPoint提示下,敲()字母回车,可取消上一条直线。ACBUC@D0