Fusion in a star's core produces heat and outward pressure, but this pressure is kept in balance by the inward push of gravity generated by a star's mass.
恒星核心中发生的核聚变产生热能与向外的压力,不过这份压力由恒星质量所产生的内向重力抵消了。
So you saw in a striking example of where friction helped us to balance, and now I want to discuss an object that is hanging and that can freely swing due to gravity.
这就是著名的靠,摩擦力平衡的例子,现在我想讨论一个,可以在重力作用下,自由摆动的悬挂物体。
The control system automatically regulates the buoyancy force of the gasbag according to parameters of a sensor, so as to achieve the gravity balance and energy-saving flight of the whole aircraft.
控制系统根据传感器参数自动调节气囊的浮升力,达到整机的重力平衡和节能飞行。
Lightweight design with a low center of gravity produces optimal balance between racing performance and ease of control.
轻量化设计与低重心产生最优之间的平衡赛车的性能和易用性的控制。
Solidified water flows into balance jar upon itself gravity. Keeping certain water level in the jar through an automatic controlled discharge valve, which forms a water seal.
凝结水靠本身重力流入平衡罐,通过自动控制的排水阀,保持罐内的一定水位,形成水封。
Because Einstein thought he needed to model a static universe, he introduced his "cosmological fudge factor" to balance the attractive gravity of matter.
因为爱因斯坦当时认为他需要建构一个静态的宇宙,因此引入一个假想的宇宙参数来平衡物质间的重引力。
In the utility model, a hob assembly gravity center balance structure is formed, thus ensuring that the same machined part can have a uniform milling surface.
本实用新型形成滚刀总成重心平衡结构,确保了同一加工件获得均匀一致的铣刮表面。
In the utility model, a hob assembly gravity center balance structure is formed, thus ensuring that the same machined part can have a uniform milling surface.
本实用新型形成滚刀总成重心平衡结构,确保了同一加工件获得均匀一致的铣刮表面。
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