These grazers find sustainment ingresses others have abandoned.

这些羚羊发现了一些别人剩下的食物。

A Pentagon official said turning to North Korea for weapons was a sign the Russians were facing " challenges on the sustainment front" .

五角大楼一名官员表示，向朝鲜寻求武器是一个迹象，表明俄罗斯面临着“维持战线方面的挑战”。

These animals have lived in our environment for thousands of years, and their interactions have resulted in complex and intricate systems of sustainment.

这些动物在我们的环境中生活了数千年，它们之间的相互作用导致了复杂而错综复杂的维持系统。

Additionally, the surviving technology components appear  fairly advanced, alluding to some sort of high capacity oxygen sustainment system and advanced  temperature regulation and damage resistance, some of the mechanics even still functioning.

此外， 幸存的技术部件看起来相当先进，暗示某种高容量氧气维持系统和先进的温度调节和抗损伤系统，其中一些机械装置甚至仍能运转。