Brazil's middle class is swelling: at the last count there were 97m people in marketing bracket "c", which means they are rich enough to contemplate getting on an aeroplane.
巴西中产阶级逐渐增多：近期统计有9700万人的生活水平达到C类市场，也就是说他们终于有钱可以考虑乘飞机出行。
Clouds bracket the edges of the scene, but the dark blue waters of the Atlantic Ocean show in the middle, and above them, a rippling, brownish-yellow river of ash.
云层围绕着图像边缘，而在中部，大西洋深蓝色的海水映出了这股波纹状，有点像棕黄色河流的火山灰。
There is standard bolt hole connecting with the valve or bracket. The output axis in the middle is a standard internal octagon.
壳体上有标准的螺孔与阀门或支架相连。中间输出轴为一个标准的内八角。
The implanting device comprises canal head, inner pipe, close end controller, middle pipe, wire pipe, outer protection mechanism, at least one locking wire and at lest one bracket pulling wire.
输放装置包括导管头、内管、近端控制器、中管、导丝管、外保护机构、至少一根锁定丝和至少一根支架拉线。
When the researchers divided the teens into five income groups, those in the lowest bracket were 22 percent less likely than the middle bracket to have had a drink in the past 6 months.
当研究人员把这些青少年按照收入的多少分成五个小组，其中最少的一组人数占所有人数的百分之二十二相比于中等人数的那组在过去的6个月内更少饮酒。
"It's the first film I've done where I've suddenly felt I'm in the middle bracket," he said. "I was always one of the youngest ones, and now I'm not."
“这是我所拍摄的第一部让我突然感到自己已人到中年的电影，”他说，“我一直是那群最年轻的人中间的一个，但现在我不是了。”
The placement of the incisor teeth bracket was in the middle of the clinical crown, and retention arch wire was straight wire without step bends.
其最大特点是既反映大多数牙的临床牙冠中点，又对某些牙位托槽位置进行了调整，实现了无弓丝弯曲的直丝弓矫治目的。
The placement of the incisor teeth bracket was in the middle of the clinical crown, and retention arch wire was straight wire without step bends.
其最大特点是既反映大多数牙的临床牙冠中点，又对某些牙位托槽位置进行了调整，实现了无弓丝弯曲的直丝弓矫治目的。
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