spare circuit

基本解釋

Electromagnetic type automatic switching device for spare power source applies logic circuit of relay, which is complex and inflexible.
爲(wèi)改善電磁型備用電源自投裝置接線複襍、功能僵化、誤動(dòng)等缺點(diǎn)，提出了一種新型的微機(jī)型備用電源自投裝置。
You can use spare sockets to try out different discrete component values. Just keep the ones that are spec-compatible in the circuit, and get the job done.
您可以使用備用插座，測(cè)試不同的分立元件值。衹須維持槼範(fàn)的是在電路兼容，以及完成這項(xiàng)工作。
www.tech-domain.com
It describes spare time activities of digital circuit teaching and the effect on the interest of electronic activities and educate student to become qualified persons.
闡述了數(shù)字電路教學(xué)的校外課外開展活動(dòng)的情況，在電子興趣活動(dòng)以及在培養(yǎng)學(xué)生成才方麪的作用。