龈线全称牙龈收缩线 gingival retraction code
收缩线性算子 [数] contractive linear operator
线性收缩 linear contraction ; linear shrinkage ; Shrinkage ; linear expansion
线收缩 linear shrinkage ; linear contraction
线宽收缩 linewidth loss ; linewidth shrinkage ; reduction of linewidth
收缩线圈 Contracting stitching
中线收缩 centerline shrinkage
可收缩软线 retractile cord
肌肉收缩曲线 muscle curve
在陨石坑口壁上也发现了并行线一样的裂缝，这可能是由于含冰物质热收缩现象造成的。
Parallel linear cracks are also observed along the crater wall over the gullies, which could be due to thermal contraction of ice-rich material.
河图也试图描述了这种状态，向外发散的，是阳线(点)；还有个向内收缩的，可能是阴线(点)。
The river chart also attempted to describe this kind of condition, diverged to outside, was Masculine line (Spot); also has to contract to in, possibly is Negative line (Spot).
介绍了高模量低收缩聚酯帘线的开发与应用情况。
The development and application of HMLS polyester cord are described.
应用推荐