The characteristic lines and characteristic relations are derived by using the generalized characteristic theory.

利用广义特征理论导出了应力波传播的特征线和特征关系。

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The zero sequence component and the positive sequence component equations of transmission lines are derived on the basis of telegraph equations.

运用电报方程推导出三线-地耦合传输线零序分量和正序分量传输线方程。

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A dry dehiscent fruit derived from a single carpel and usually opening along two lines of dehiscence as a pea pod.

由单个心皮形成的通常沿两条缝开裂的干果，如豆荚。

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Opponents of embryonic stem cell research, which involves destroying the donated embryos from which cell lines are derived, have long argued that the discovery of iPS cells in 2006 (for which Shinya Yamanaka was awarded the Nobel Prize in Medicine this past year) obviates the need for embryonic stem cell research.

FORBES: Scientists Relieved As Supreme Court Passes Over Case Against Embryonic Stem Cell Research

The NIH says it will be meeting with the University of Wisconsin group that holds a patent on five stem cell lines its scientists derived.

CNN: Access may complicate stem cell study

They derived the actual stem-cell lines for each of these patients, nine of the 11 patients.

NPR: Slate's Human Nature: S. Korean Stem Cell Advance