"颈缩"是个多义词，它可以指颈缩（材料发生的局部截面缩减的现象）,颈缩（计算光刻工艺中图形缺陷）。
n. necking ; constriction
misc. neckdown
The expansion motion, necking instability and the process of fragmentation are analyzed for M-state TU1 and L04 rings, and the simulation of expanding tube’s tensile-shear fracture was also carried out.
以M态TU1环和LO4环为例,分析了金属环的运动、颈缩形成与碎裂过程,并对膨胀筒拉剪断裂进行了数值模拟。
参考来源 - 电磁加载下金属膨胀环的动态断裂与碎裂研究·2,447,543篇论文数据，部分数据来源于NoteExpress
并以前面所学的观念探讨颈缩及劈裂破坏。
Necking and cleavage cracking are discussed in terms of prior concepts.
同时，对颈缩阶段中有关力学现象进行了简要的描述。
At the same time, some mechnical phenomena at necking stage are concisely described.
但是，从颈缩开始，其应力应变关系处于复杂应力状态。
But the stress-strain relationship is in complex stress condition after the necking starts.
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