The optimal control theory is used to study the accumulation rate and the population growth rate.
利用最优化原理研究了该系统的积累率和人口自然增长率。
This paper suggests that there are different optimal accumulation rate in different economic conditions.
本文认为，不同经济条件下有不同的最优积累率。
The accumulation rate of amylose amylopectin total starch in weak grains all reached peaks on20-25th daa .
弱势粒直链淀粉、支链淀粉、总淀粉积累速率均在花后20～25天达到峰值。
The accumulation rate of amylose, amylopectin, total starch in weak grains all reached peaks on 20-25th DAA.
弱势粒直链淀粉、支链淀粉、总淀粉积累速率均在花后20～25天达到峰值。
There is a higher accumulation rate of Ni by plantain from soil (6.17%), especially in the poor fertility soil.
土壤肥力较低时，车前草对土壤镍的富集率较高(6.17%)。
The accumulation rate was similar among the different groups(1.64–1.98), which indicates that the accumulation is low.
不同组间的累积率相似（1.64-1.98），表明累积较低。
However its present accumulation rate surpasses its subsidence rate, resulting in the accumulation of more lime-sand islets.
由于现代珊瑚礁的堆积速率大于地壳沉降速率，可能会形成更多的灰沙洲或灰沙岛。
The average of economic coefficient reached 0.57. The high yield peanut cultivars had higher accumulation rate of dry materials in after life.
经济系数平均达0.57。高产花生品种生育后半期有较高的干物质积累速率。
Both ADPGPPase activity and soluble starch branching enzyme activity were positively and significantly correlated with starch accumulation rate.
ADPG焦磷酸化酶和淀粉分支酶活性与淀粉积累速率呈显著正相关。
The essential condition about changing that aspect is that the accumulation rate of human capital in rural department is made higher than the shift rate.
改变前述局面的关键条件，是使农村部门的人力资本积累率大于其人力资本的转移率。
However, city department has already entered into continuing growth stage in which the low fertility, high human capital storage and accumulation rate remain.
而城市部门已进入低生育率、高人力资本存量和积累率所推动的持续增长阶段。
The grain filling rate, grain filling percentage, grain weight and starch accumulation rate were positively and significantly correlated with the SuSase activity in grains.
籽粒灌浆速率、籽粒充实率、粒重和淀粉积累速率与蔗糖合酶活性呈显著正相关。
The grain filling rate, grain filling percentage, grain weight and starch accumulation rate were positively and significantly correlated with the SuSase activity in grains.
籽粒灌浆速率、籽粒充实率、粒重和淀粉积累速率与蔗糖合酶活性呈显著正相关。
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