At the initial stages of restoration, improvement on the soil biological properties by lichen and moss were represented mainly on surface layer soil.

在恢复初期，地衣和苔藓对土壤生物学性质的改善主要体现在土壤表层。

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Hieroglyphs were mainly phonetic; they represented sounds, not pictures, and the underlying language was Coptic.

象形文字主要是语音符号；它们代表的是声音，而不是图像，其本质上的语言是科普特语。

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Machinery in the town is mainly represented by such vehicles.

这里的机械设备基本上就由这种汽车代表了。

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During the 1980s and 1990s, the dollar actually increased in value relative to gold (by 57% and 46%, respectively), although this mainly represented a (partial) recovery from the disastrous 1970s.

FORBES: Bright Gold, Dim Economy

About 3, 000 check-in staff, based mainly at Heathrow and Gatwick and represented by the GMB union, have already voted in favour of industrial action.

BBC: NEWS | Business | Fresh BA offer in pay dispute

The figure represented a slight decline from 129, 502 the previous week, mainly due to long liquidation as the number of total longs fell.

FORBES: Fund Net Length Stabilizes In Gold, Continues Falling For Other Precious Metals