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- Effect of total density on RYT and CBI was highly significant under each pro-portion and each harvest. 总密度对RYT 和CBI 的影响高度显著。
- The distribution of local density of states(LDOS) in quasiperiodic photonic crystal(QPC) and the total density of states(DOS) are studied. 本文研究了准晶光子晶体的局域态密度和全态密度。
- The influence of density ratio on the characteristic frequency of coherent structure on the centreline of low Re number free round jet flow has been investigated with Dual PDA. 采用激光粒子动态分析仪研究了低雷诺数时密度比对自由圆射流近喷嘴区轴线相干结构特征频率的影响。
- Cumulative incidence ratio (CIR), incidence density ratio (IDR)and incidence odds ratio(IOR)can be calculated respectively in cohort study according to various study designs. 根据不同的研究设计，在队列研究中可分别估计累积发病率比（CIR）、发病密度比（IDR）和发病比值（IOR）。
- In A spot of field, the dominant mice were Rattus confucianus that occupied 48.65%(36/74) of the captured animals, the total density of the captured animals was 10.62%(74/697), the infective rate of HV was 12.16%(11/74). 野外A点社鼠为优势鼠种 ;占夹捕小型兽类种类构成的 4 8.;6 5%25 (36 /74 );捕获小型兽类总密度为 10
- Based on the above calculation, we havealso studied the electronic energy structure and total density of states using a slabmodel of 12-layers of Si(111) with and without monolayer of adsorbates and the EHT-ETB method. 计算结果表明;F可以吸附在Si(111)面的顶位和三度空位上;但以顶位为更稳状态.;顶位吸附时;F与表面的距离为1
- The strain energy density ratio criterion for predicting cracking direction in composite materials is proposed. The Tsai-Hill criterion and Norris criterion of composite materials are extended to predict the cracking direction in compsites. 本文提出预测复合材料中裂纹方向的比应变能密度准则;并将Tsai-Hill与Norris准则扩展来预测复合材料中的开裂方向.
- A common condition occurring when the total density of the overprinted ink films is not equal to the sum of the individual ink densities. 中义叠印的墨色浓度不等于个别墨色浓度的总合，这是一般常见的现象。
- An investigation was conducted to explore the influence of density ratio and velocity ratio of mainstream/injectant upon the cooling effect of flat plane film using heat-mass transfer analogy. 摘要采用传热传质类比的方法研究主射流密度差和速度比对单排孔平板气膜冷却效率的影响。
- signal-to-noise power density ratio 信噪功率密度比
- carrier to spectral noise density ratio 载波噪声谱密度比
- bit energy-to-noise density ratio 比特能量噪声密度比
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- Magnesium composites, possessing high strength to density ratios, stiffness to density ratios, excellent mechanical and physical properties, are ideal materials for defense high-tech fields. 镁合金材料有高的比强度、比刚度,优异的阻尼减震、电磁屏蔽等性能,是高新技术行业的理想材料之一。
- I must say the news comes as a total surprise. 我得说这个消息来得太突然了。
- Ten years was the sum total of my education. 我受教育的年限加起来共十年。
- My small contribution was lost in the grand total. 我的小小捐献在巨大的总额中小得几乎看不见。
- The ship was wrecked and became a total loss. 船只失事，一切都损失了。
- He swings from wild optimism to total despair. 他由极其乐观一变而为完全绝望。
- Measurement was carried outfor five times. (2)Analysis of variance indicated that relative yield(biomass)total(RYT)and competitive balance index(CBI)are sens-itive to total densities,proportions and durations. 方差分析表明,相对总生物量(RYT)和竞争平衡指数(CBI)对总密度,混播比例和生长时间的反应敏感。
