On the other hand, trials at CIMMYT's principal wheat-breeding station at Obregon in Mexico indicate a slowdown in potential yield growth to only 0.4% a year.
可另一方面，国际玉米和小麦改良中心在墨西哥奥布雷贡的小麦育种站做的试验表明，小麦产量的年增长率可能降至0.4%。
High Yield bonds usually pay a semi-annual coupon followed by a lump sum of the principal at maturity.
高收益债券通常每半年支付一次利息，之后本金一次性付清。
But when the yield falls short, funds pay investors from their principal. Asset managers suspect that plenty of investors do not fully understand this, and will be furious when they find out.
但当投资收益下降时，基金公司就会从本金中支付给投资者，基金经理怀疑许多投资者没有充分理解，当他们发现这个事实时有可能大发雷霆。
Rice is the principal cereal crops in China and its cultivated adaptability analysis is necessary for yield increase dependable crop and high quality.
水稻是我国主要粮食作物，进行水稻栽培适宜性分析是一项使水稻增产、稳产、优质的必不可少的工作。
Therefore, stem diameter and leaf number could be considered as two principal selection indexs for breeding new varieties, evaluating yield and select.
因此，茎粗、叶片数可作为紫花苜蓿选种、育种、产草量估测和确定刈割适期的两个主要选择指标。
Therefore, stem diameter and leaf number could be considered as two principal selection indexs for breeding new varieties, evaluating yield and select.
因此，茎粗、叶片数可作为紫花苜蓿选种、育种、产草量估测和确定刈割适期的两个主要选择指标。
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