Land resources in Xinjiang have absolute priority in existing variety and quantity as well as inferiority in low transformation efficiency.

新疆土地资源种类、数量具有存量的绝对优势和转化效率低下劣势并存的明显特征。

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Low transformation ration, non-100% sterility, unstable sterility and difficult restoration of fertility are all existing problems needing further research and resolutions.

同时存在转化率低、不育度难以达到100%、不育性不稳定或育性恢复难等问题，有待于进一步研究与解决。

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Meanwhile, there are many problems in mulberry gene transformation, such as the difficult to establishing regeneration system, high reliability on gene type, low transformation efficiency.

同时，桑树转基因也存在着再生体系建立困难，基因型依赖性强，转化效率不高等问题。

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The move to a low-carbon economy requires a transformation in consumer behavior, but we should not assume that consumers are willing or able to change their habits.

FORBES: Hard Lessons For Smart Grids

He told BBC Wales the airport's transformation in the decade from 1997 came because it found a niche in the market with low cost airlines and was able to offer passengers something different from its nearby competitor, the much bigger Manchester Airport.

BBC: Cardiff Airport's ?500,000 'welcoming' revamp