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It starts with a blip, a beep, a noise, a pattern, a signal. It could be anything - ink on paper, machine data, or even the words flowing through your minds right now. Signal generators play an important role in testing devices we use every day. The
D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in
Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t
RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da
今天我们要学的词是in sync。 In sync, 意思是同步的,协调的。 The figure skating pair were totally in sync, 这对花样滑冰双人组合的动作完全同步。 I voted for the candidate whose values were in sync with my own, 我投
今天我们要学的词是lip sync。Lip sync 是lip synchronization的简称,意思是对口型,假唱。Pop singer Beyonce is alleged to have lip synced the national anthem at President Obama's second inauguration. 流行歌手碧昂丝被指在