It is indicated that the boron doping promotes the growth of (111) face of the diamonds, enhances acceptor level, narrow 's band gap and increases carrier concentration correspondingly.

其原因是硼元素的掺入促进了金刚石单晶的(111)晶面生长，使受主能级提高，晶体的带隙变窄，载流子浓度提高。

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The small band of economists who study these things now agree that underlying productivity growth rose sharply in the late 1990s, from around 1.5% to some 2.8%.

研究这些课题的一小部分经济学家现在一致赞同潜在生产率增长在90年代末期迅速上升，从大约1.5%上升到相当于2.8%的水平。

youdao

The dendrite growth direction is changed and dendrites are curved in the zone of white band.

白亮带处的枝晶生长方向改变而生成弯曲的枝晶。

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The economy will likely be wiggling within quite a narrow band of growth rates in 2013, as the upside pull only marginally outweighs the downside drag.

BBC: China economy: Experts react to growth data

Like old-growth timber succumbing to a band of lumberjacks, incumbent Democrats in Congress crashed to Earth in record numbers Tuesday night.

FORBES: New York's 19th Gets the General Welfare Clause Right

Characterized by shaky vocals and experimental lo-fi guitars, Walk It Off exhibits the band's growth through adventurous guitar-based melodies and playful lyrics.

NPR: Tapes N Tapes: Walking Into Success