Application to simple engineering structures such as rods, shafts, beams, and trusses.

在简单工程学结构的应用，比如标尺，轴，横梁和构架支撑。

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The nuclear reaction can be controlled utilizing rods made of neutron-absorbing material, such as boron, essentially shutting down the fission process.

核反应可以通过使用由吸附中子的材料构成的棒条，比如硼，来减慢裂变过程，从而控制其反应。

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These rods, made of neutron-absorbing materials such as boron, mop up excess neutrons and quench the chain reaction.

这些控制棒，由能够吸收中子的物质——硼制成，它吸收多余的中子，使链式反应停止。

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However, you may need surgery to implant internal fixation devices, such as plates, rods or screws, to maintain proper position of your bones during healing.

CNN: Broken leg

In a full meltdown, such as the 1986 Chernobyl disaster in the Soviet Union, the rods melt completely and the release of energy causes an explosion that contaminates the surrounding area with radioactive material.

WSJ: Uranium Firms Take Hit After Earthquake