The control circuit is a self-balancing current loop which makes use of a four-terminal resistor of nickel wire to assure a close-loop both electrically and thermally.

控温电路采用四端电阻自平衡电流环路，从而保证其电气和温度均处于闭环状态。

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Balancing current and future water demands between competing uses (including ecosystems and their services) will become an issue.

UNESCO: Urbanization, globalisation and climate change are creating new challenges to water management in the region of Latin America and the Caribbean. | United Nations Educational, Scientific and Cultural Organization

Dr Fox and the NSC must begin by balancing Britain's current obligations in Afghanistan with the challenges of the future.

ECONOMIST: The future of British defence

India in particular faces an increasingly untenable balancing act in maintaining its current accommodation of the junta, and will be under growing pressure this year to move toward a policy that better aligns its values and interests.

WSJ: Kelley Currie: India Can Move the Needle on Burma