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- The electron wavelength is computed from the orbital speed required to balance the electric attraction of the nucleus. 電子波長(cháng)是由平衡核力所必須的軌道速率計算出來(lái)的。
- A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons. 當兩個(gè)原子對共享電子的引力相同時(shí)形成非極性共價(jià)鍵。
- The balance of atomic force is set by this nucleus, whose strong electrical attraction binds the electron dance. 原子內的平衡源自于原子核，它強大的電子引力約束住了電子運動(dòng)。
- A polar covalent bond happens when one electron has a stronger electrical attraction for the shared electrons than the other atom(s). 當一個(gè)原子對共享電子的電吸引強于其它原子時(shí)，形成極性共價(jià)鍵。
- It's quite clear that the electric car is technically feasible. 電動(dòng)汽車(chē)明顯在工藝技術(shù)上是可行的。
- Industry is a heavy user of electric power. 工業(yè)需耗費大量的電力。
- Never poke a finger or scissors into an electric socket. 千萬(wàn)不要把手指或剪刀插進(jìn)電源插座。
- The machines are driven by electric motors. 這些機器都是由電動(dòng)機驅動(dòng)的。
- Unlike electric charges attract each other. 異性的電互相吸引。
- She buy an electric toaster this morning. 今天上午她買(mǎi)了一個(gè)烤面包片的電爐。
- It's a conduit enclosing insulated electric wires. 這是包電線(xiàn)的導管。
- A lot of electric lamps illumined the stage. 舞臺由許多電燈照亮。
- I did the letter on my electric typewriter. 我是用電動(dòng)打字機打這封信的。
- He bought an electric hair-drier for Mary. 他給瑪麗買(mǎi)了一個(gè)電吹風(fēng)。
- Please turn off the electric power. 請把電源關(guān)掉。
- He bought an electric hair-dryer for Mary. 他給瑪麗買(mǎi)了一個(gè)電吹風(fēng)。
- Magnetism produced by electric charge in motion. 電磁性由運動(dòng)電荷引起的磁性
- The electric saw whined as it cut the wood. 電鋸在鋸木頭時(shí)嘎嘎作響。
- This sewing machine is driven by an electric motor. 這臺縫紉機是靠電動(dòng)機啟動(dòng)的。
- Electric lights illumine our houses. 電燈照亮我們的房屋。
