本文从球形容器中理想气体入手，用一种简单易懂且不失一般性的方法，推导出理想气体压强公式。
A concise derivation of the pressure formula of ideal gases is given by considering the gas molecules moving within spherical container.
这个中心看起来像是死亡星球，由一面球形玻璃，钢制鸟巢和一个很长但又很窄的从地面拔地而起的建筑物构成。
This center looks like the Death Star and consists of a spherical glass and steel nest and a very long, low building raised off the ground.
这个进步可以使工程师们更加有效的包装各类球形物品，从纳米级的巴克球到圣诞树饰品都适用。
The advance could help engineers pack all sorts of spheres more efficiently, from nano-sized buckyballs to Christmas tree ornaments.
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