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- In the quantum field theory which arises from classical electromagnetism, called quantum electrodynamics, there is a massless particle associated with electromagnetic radiation, called the photon. 這系統被認為具有兩顆中子星，以極其緊密而快速的模式互相環繞對方。
- Neutrinos and the hypothetical gravitons, also massless particles, move at the same speed as light. 中微子和假想的引力子也是無質量粒子，它們也以與光相同的速度運動。
- A discovery that neutrinos, virtually massless particles, convert into other forms known as muon and tau before they leave the sun, solving a40- year-old mystery. 發現中微子（乎是無質量的粒子）離開太陽之前可轉化介子，解開了一個40年的謎。
- The Standard Model tells us that protons and neutrons are composed of elementary particles called quarks that are bound together by massless particles called gluons. 標準模型告訴我們，質子與中子是由稱為夸克的基本粒子構成的，而夸克則由膠子這種無質量粒子束縛在一起。
- A discovery that neutrinos, virtually massless particles, convert into other forms known as muon and tau before they leave the sun, solving a 40-year-old mystery. 發現中微子（幾乎是無質量的粒子）在離開太陽之前可轉化介子，解開了一個40年的謎。
- Matter can embody the most information when it is converted to energetic, massless particles, such as neutrinos or photons, whose entropy density is proportional to the cube of their temperature. 物質在轉換成活躍的無質量粒子（例如微中子或光子這類粒子）時，可包含最多的資訊；其熵的密度與其溫度的立方成正比。
- There wasn't a particle of truth in what he said. 他說的沒有一點真話。
- There's not a particle of truth in her story. 她講的沒有一句實話。
- I haven't got one particle of race prejudice. 我沒有絲毫的種族偏見。
- There is not a particle of truth in his report. 他的報告沒有一點真實性。
- He has not a particle of malice in him. 他沒有一點惡意。
- A hypothetical massless,neutral elementary particle believed to mediate the strong interaction that binds quarks together. 膠子假設的無質量的中性基本粒子之一，被認為能傳遞一種把夸克結合在一起的強大的相互作用力量
- There is not a particle of truth in what he says. 他說的沒一句真話。
- In fact, the spring of the absorber is not massless. 實際上，避振器的彈簧具有質量。
- A dust particle weighs only a thousandth of a gram. 一粒塵埃的重量僅有千分之一克。
- A hypothetical massless, neutral elementary particle believed to mediate the strong interaction that binds quarks together. 膠子假設的無質量的中性基本粒子之一，被認為能傳遞一種把夸克結合在一起的強大的相互作用力量
- A very small object, creature, or particle. 微粒、微物一個很小的物體，動物或粒子
- There is not a particle of truth in the statement. 陳述中沒有一點真話。
- The particle is displaced in a flow domain. 這質點在流動區域內運動。
- Cold fusion is the Holy Grail of particle physics. 冷熔解是粒子物理的聖杯。
