有机生长的生物技术公司已经证明是一个漫长和不确定的过程。
The organic growth of biotechnology companies has proven to be a long and uncertain process.
面对60年来最低的期末库存量和生长季节可能出现的干燥天气，加上西部平原的冬小麦将在大概10至15天内打破冬眠期，未来几个月将有太多的不确定性。
We are at 60 year low on ending stocks leaving us one dry growing season from running out. Additionally, our winter crop breaks dormancy probably within 10 to 15 days in the western plains.
导管结构与树干生长、干胶产量关系的不确定性说明，木质部导管结构不是影响橡胶树生长势和产量的主要因子。
The undefined correlations between vessel structural characters and growth and yield suggested that the vessel character was not the main factor affecting the growth and rubber yield.
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