a large solid piece of material that is square or rectangular in shape and has flat sides
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块, 砖
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the physical property in matter that causes it to experience a force in an electromagnetic field
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电荷, 电量
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describing weapons that are powered by the energy produced either from nuclear fission or a combination of fusion and fission reactions
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核
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(physics) an oscillating movement by which energy is transferred without the transport of matter, such as light and sound
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波
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(physics) the amount of force exerted per area that is measured in pascal, newton per square meter, etc.
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压力
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the energy transmitted in the form of particles or waves through the space or a matter
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辐射
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(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume
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密度
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(physics) a source of power that is required to do any work that may exist in potential, kinetic, thermal and other forms
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能量
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(physics) a nuclear reaction by which the nuclei of atoms combine and form a heavier nucleus, producing nuclear energy
![核聚变, 聚变](https://api.langeek.co/v1/assets/flags/zh.png)
核聚变, 聚变
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(physics) the property of matter that gives it weight in a gravitational field and is a measure of its inertia
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质量, 物理质量
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