The chemical structures that form the units of DNA and RNA and that encode genetic information i.e. the bases that make up the base-pairs are A, G, T, C and U (see DNA).

形成DNA、RNA单体以及编码遗传信息的化学结构，也就是组成碱基对的碱基包括A、G、T、C、U。

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S. G. iron mould platens and toggles after cutting by computer controlled machine, form precious clamping unit.

球墨铸铁模板及机铰经电脑机床加工，组成精密锁模系统；

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For metal material, give the form of the material, e. g. steel coil, rod.

对于金属材料，请给出材料形态，比如金属板材，金属线材。

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The G-quadruplex seems to form in DNA where guanine exists in substantial quantities.

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"We were able to clear all the obstacles and found a form of governance that works, " said G-14 president and Lyon chairman Jean-Michael Aulas.

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The Finance Ministries of the G-7 should not be surprised when the line of other sovereign borrowers begins to form at their doors, not to mention the IMF itself, all insisting on "equal treatment" with Russia.

CENTERFORSECURITYPOLICY: Freedom Flame 2013