The optimum age of cuttings ranged 1-2 year.
插穗年龄以1～2年生扦插成活率为高；
In addition to this, there exists a lack of clarity regarding the optimum age for screening and frequency at which to carry out screening.
除此之外，尚不清楚合适筛检的年龄与进行筛检的次数。
The disability caused by a vision deficit has not been quantified and the optimum age and number of occasions for screening have not been established.
因为视力缺损造成的失能尚未被量化，且合适筛检的年龄与筛检次数也不确定。
The expected cost per unit -time for infinite time span is analyzed strictly under the mathematical model constructed, and the optimum age replacement decision is also discussed.
在建立数学模型的基础上，分析了系统长期单位时间内的期望费用，并讨论了最优年龄替换决策。
Biologically, the optimum period for childbearing is between 20 and 35 years of age.
从生物学的角度，最佳生育期是20-35岁。
We must instead embrace the city fight as our optimum scenario and cultivate the art and science of information age siege tactics.
我们必须变得乐意接受城市行动作为我们最好的设想并且培养信息时代包围战术的科学和艺术。
The optimum selection age of basic density was determined at 10 years, the juvenile-mature correlation in tracheid length was unstable.
所以，10龄被确定为基本密度的最佳选择年龄。管胞长度幼——熟龄相关不稳定。
The paper studies the most favorable embryo age for germination, optimum culture medium, impacts of different hormones and natural extractant on embryo breeding of Dendrobium devonianum.
文章对齿瓣石斛的最适萌发胚龄，最佳萌芽、增殖培养基，不同激素、天然提取物对胚培养的影响进行了研究。
The optimum expression cell age is logarithmic early growth (OD600 0.4 or so).
最佳表达的菌龄在对数生长早期(OD 600为0.4左右)。
The optimum expression cell age is logarithmic early growth (OD600 0.4 or so).
最佳表达的菌龄在对数生长早期(OD 600为0.4左右)。
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