杰克切断了其中一具尸体上的一根手指，希望能通过指纹找出对方的身份。
Jack cuts off the finger on one of the bodies to trace its prints.
直根长圆筒状的，根深具一纤细和拉长的茎达土壤表面。
Taproot long-cylindric, deep-rooted with a slender and elongated stem to soil surface.
本文讨论了一根具端点粘滞阻尼的振动弦的初始状态的可辨识性，其中观测为该点的速度。
This paper discusses identifiability of the initial state of one vibrating string with viscous damping at end point, where the velocity at this point is observed.
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