这种器官类似于位于主茎末端的锥形棒状物，可能用来刺激雌性或者将雌性拉近身边——Long表示，这些都还只是猜测。

These organs, which resemble a spiked club at the end of a stalk, may be used to stimulate a female or to pull her closer-though these are still assumptions, Long said.

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根据变分法和ABCD定律，导出了非线性锥形梯度折射率棒透镜中高斯光束的成像公式。

Imaging formulas of Gaussian beams in nonlinear conical GRIN rod lenses are derived from the variational method and the ABCD law.

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通过研究比较，结合实验室的条件，确定了锥形混合棒塑料光纤耦合器作为研究方向。

After comparing the ways of making POF couplers, we decide to research and develop tapered mixing-rod couplers for polymer optical fibers.

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