The key was a plastic "ribcage," a complex molded plastic part that pushed the limits of injection-molding tooling technology.

其中的关键是一种塑料特征“筋墙”，这是一种比较复杂的注塑塑料零件，达到注塑技术的极限。

youdao

The computing formulas of the maximal deformation distance and the plastic area limits of the linear hardening plates were deduced.

推导出接触爆炸作用下线性硬化材料板的最大变形量计算式和塑性变形范围的计算式。

youdao

Some banks also are considering increasing their issuance of prepaid cards, a form of plastic similar to debit cards but excluded from fee limits in the new federal rules.

WSJ: Banks Look to Replace Lost Debit-Card Fees