The current system requires constant sustainment intervention to maintain operations and does not address the growing population of small and micro satellites in orbit.

目前系统需要不断操作干预以保持运作，并且没有解决日益增长的轨道上小型和微型卫星的数量。

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It is farmers that are pushing for the advancements due to ever-increasing labor vacancies, making it difficult to maintain large-scale operations.

正是因为劳动力空前空缺，使得大规模经营难以维持，农民才推动了这一进步。

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This widget enables users to maintain calendar event information for business operations.

该小部件允许用户维护业务操作的日历事件信息。

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The North Anna Power Station has two nuclear reactors and is reportedly operating on four diesel generators to maintain cooling operations.

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But Postmaster General Patrick Donahoe said the Postal Service would do whatever it takes to maintain its operations, even if that means defaulting on a second multibillion-dollar retiree obligation in as many months.

WSJ: Postal Service Registers $5.2 Billion Loss

Instead, the Fed picks an interest rate and gears its monetary operations to maintain that rate.

FORBES: Fact and Comment