举例说明, 比如电子带负电荷, 同时, 它的反粒子被称作正电子—带有正电荷.
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The drops are usually negatively charged, but occasionally one with a positive charge is found.
这些油滴一般都带负电, 但偶尔也发现有带正电的.
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Where atom is losing some of its electrons is said to be a positive charge existing.
在原子失掉一些电子的情况下,可以说是带了正电荷.
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The plate is impressed with a positive charge so that it may flow electrons.
阳极带有正电荷,这样就能使电子流动了.
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Hole-Similar to a positive charge, this is caused by the absence of a valence electron.
空穴 - 和正电荷类似, 是由缺少价电子引起的.
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目的: 研究荷正电微孔滤器对水中细菌的去除效果.
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A proton positive charge and electron a negative charge but a neutron has neither.
质子带正电,电子带负电,而中子既不带正电,也不带负电.
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The positive pole carries a positive charge while the negative pole does a negative charge.
正极带正电荷,负极带负电荷.
《简明英汉词典》
As the two charge distributions separate, leaving positive and negative sheaths.
当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.
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A proton positive charge and an electron a negative charge, but a neutron has neither.
质子带正电,电子带阴电, 而中子既不带正电,也不带阴电.
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这些细胞穿膜肽均为带有正电荷的长短不等的多肽片段,其中富含精氨酸、赖氨酸等碱性氨基酸残基。
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