Because the current system is less precise, controllers need to give planes plenty of room as they lock onto the runway, descending in a slow, stepped approach.

因为现今的系统不够精确，飞机锁定跑道、一步步缓慢下降的过程中，空中交管员必须给飞机留有余地。

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The design method is simple and convenient, and is suitable for hydraulic transmission system with time control and stepped process.

这种设计方法方便快捷，规律性强，对于时间控制和过程步进控制的液压传动系统都适用。

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When I stepped onto the Balance Board at my parents' house in a room with wall-to-wall carpeting, the system thought I had lost 13.4 pounds since the day before.

我将平衡板放在父母家一间整个屋子都铺上地毯的房间里，当我踏上平衡板时，系统认为我的体重比前一天减少了13.4磅。

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The Federal Reserve and the banking system stepped in to prevent a widespread debacle.

FORBES: Fact and Comment

Another part of the problem: Many traders, including a number of high frequency trading firms that normally make up 60% of daily trading volume, stepped aside and stopped buying, draining liquidity from the system when it was trying to deal with a tidal wave of sell orders.

FORBES: SEC Sets 6-Month Test of Stock Circuit Breakers

Republicans have stepped up criticism of the president's push for a health system overhaul, saying the president's timeline for passage is too soon.

NPR: AMA Chief: Health Bill Still In Early Stages