Visible on the above image right are two flat top mesas in southern Mars, where the season is changing from Spring to Summer.

可以看到上面影像右侧是两座位于火星南部的平顶山，而那里的季节正从春天向夏天转变。

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Electrical connections are made using flat aluminum braids, held in compression to the cold end circumference by stainless steel spring clamps.

电路依靠喷铝部连接起来，用不锈钢弹簧夹子固定在冷端部的周围。

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The cage with flat olive bore looks similar to the contour of the Ray-TFC, and has grooving spring on lateral sides.

笼箱外形类似于椎间螺纹穿通融合器（TFC） ，上、下两面具有螺纹，在两侧有切口弹簧，内腔似扁橄榄形；

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You can read their detailed analysis here: U.S. Restaurant Industry Will End 2012 with Visits Flat After a Slow Spring and Summer.

FORBES: 8 Food Apps To Chew On

The Commission made a number of drastic cuts in its forecasts for growth for 2013, and none more so than Greece, which it now expects to contract by 4.2%, having forecast flat growth in the spring.

BBC: Business

Doubtless his main theme will be that the Arab Spring is diametrically opposed to Bin Laden's ideology, and leaves al-Qaeda looking flat footed and out dated.

BBC: Arab Spring headaches for Barack Obama