- magnification ration
- 伸缩: stretch out and draw back; e ...
- 比: 2
- 放大率，伸缩比: magnification ratio
- 伸缩: 1.(引长和缩短) stretch out and draw back; expand and contract; lengthen and shorten 因温度关系而伸缩 expand or contract according to the change of temperature2.(可变动的) flexible; elastic; adjustable 没有伸缩余地 leave one no latitude; 这条便裤的腰带可伸缩。 the slacks have an elastic waistband.3.(规模、数量的变动) magnification; dila(ta)tion; expansion; 伸缩缝 expansion joint; 伸缩杆 expansion link; 伸缩管 expansion pipe; draw-tube; telescopic tube; 伸缩量 stroke; 伸缩起落架 retractable landing gear; 伸缩圈 expanding ring; 伸缩三角架 extension tripod; 伸缩梯 [设计] extension ladder; 伸缩调音管 tuning slide; 伸缩弯管 expansion bent; 伸缩轴 [工业] telescopic shaft; 伸缩柱 telescopic legs; telescopic mast; 伸缩子 dilaton
- 干缩比: ratio of tangential to radial shrinkage
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