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yongsan0201

铁虫 (初入文坛)

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~25%的有机质已知具体的化学组成,
大部分化学结构仍不清楚、其过程也不清楚,
控制途径和技术也不清楚?

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pitlord999

金虫 (小有名气)

Although compositions of approximately 25 percent of organic compounds are known, the majority still does not have clear chemical structures or processes, and their control means and technologies are not fully understood as well.
2楼2009-09-16 20:31:38
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lixiaod001

金虫 (正式写手)

~ 25%的有机质已知具体的化学组成,
  大部分化学结构仍不清楚,其过程也不清楚,
  控制途径和技术也不清楚吗?
3楼2009-09-17 08:06:55
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zhuyinganh

hao

hao  lall....
4楼2009-09-19 12:40:37
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nhdxhjs

铁杆木虫 (正式写手)

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zap65535(金币+6,VIP+0):补发 12-22 12:34
about 25% of the organic matter are known to the specific chemical composition,
Most of the chemical structure and the process remains unclear,
control approaches and technologies are also unclear?
5楼2009-09-23 20:49:05
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bote

detailed compositions of only about 25% of organiic materials

have been found. however, structures of most of them are still kept unknown and so does their synthesis processes, control methods and control techniques.

  控制途径和技术也不清楚.
6楼2009-09-23 22:55:52
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