部分蜣螂干脆居住在粪便当中，其他蜣螂用自己的后足将粪便滚成完美的球形，进行距离的运输，直到到达它们埋藏粪球的地方。
Some species simply live in the dung, while others form perfectly spherical dung balls, which they roll with their hind legs, often over large distances, to a place where they can bury it.
他们还计算出随着旅行距离的增大，风险也将随之变大。
They also calculated that the longer your journey takes, the higher your risk becomes.
安装了这些任务装备的HC-130J飞机将具有更强的任务能力，同时可以改善燃油效率、提高有效性、增加飞行距离和时间。
The mission-equipped HC-130J aircraft provide increased mission capability with improved fuel efficiency, higher availability, and greater range and endurance, says a representative.
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