等比例的

The testing, answering system was developed out by the ASP.net. Two test papers were abstracted from the system by the combination of the certain proportion and binominal distribution mathematical models stragety. The two test papers were tested by 52 students through the cross design. The difficulty and discrimination of items and the reliability and validity of the test papers were worked out with Education Statistics, factor analysis, relative analysis etc.

运用ASP.net技术开发了组卷、答卷、阅卷系统，应用重点等级定额比例分配与难度等级二项分布数学模型相结合的组卷策略随机抽出2套试卷，采用交叉设计对52名预防医学本科学生进行测试，用教育测量学原理、因子分析、相关性分析等方法分析两套试卷试题的难度、区分度和试卷的信度、效度。

Three microsatellite loci were used with four quail(Coturnix spp.) populations at their DNA level,in East China for the detection of genetic diversity of the no genetic relationship resources.

在DNA水平上检测了华东地区4个亲源关系不同的鹌鹑群体的3个微卫星座位遗传变异，每一位点均检测到4~5个等位基因，各位点的基因多态比例接近100%。

This paper reviewed its pathogenesis, forms, clinical manifestations, differential diagnosis, treatment and prognosis. Here a case of neonatal hypophosphatasia is reported. This baby was female (30 minutes old). Prenatal ultrasound showed disproportionate biparietal diameter and long bones of limbs in the baby. After birth, she presented with obvious craniomalacia, respiratory distress and cyanosis. Serum alkaline phosphatase level was significantly reduced. Both X-ray and autopsy showed extremely insufficient skeletal mineralization. Four days later she died of respiratory failure.

该文对其发病机制、分型及临床表现、鉴别诊断、治疗和预后进行了综述，并介绍了在该院诊断明确的1例新生儿型的罕见病例，患儿为出生30 min女婴，产前B超提示胎儿双顶径与四肢长骨不成比例，生后即有明显的颅骨软化、呼吸困难和紫绀等表现，血碱性磷酸酶显著低下，X线表现及尸检结果均提示骨骼矿化极度低下，4 d后因呼吸衰竭死亡。

Many factors impact the result of the oxi- dation,sueh as the pH value,the dosage of 03,the proportion of O_3 and H_2O_2,the reaction time and etc.

将原钻井废水破胶处理后的废水作为实验对象，主要考察pH值、O_3用量、O_3/H_2O_2的比例以及反应时间等因素对复合氧化的影响。

Still, the definition, operationalization, and classification of these concepts have all been criticized. In addition, when used in Cross-countries studies there have been glaring methodological errors. Furthermore, at the national level, electoral formula and district magnitude have only limited influence on disproportionality.

不过，本文研究发现：这些概念在界定、运作化与分类等方面都有争议；而且学者们所从事的跨国性比较研究，在方法论上也有明显的缺失；再者，当选规则与选举区规模，对全国层次选举结果不比例性的影响属次要因素，只有间接作用。

The similar material simulation is a kind of scientific experiment,this is one of ways that people discusses and understands geostatic pressure rules.

相似材料模拟是科学实验的一种，这是人们探讨和认识地压规律的途径之一，按矿山实际原型，按一定比例缩小做成模型，然后在模型中开挖巷道模拟采场工作，观察模型的变形、位移、破坏和岩层移动等情况。

The energy loss through feces was 0.077C (C: food consumption, KJ/d) and the energy loss through excretion was 0.052C at maximum feeding rate. In that the ratios of F and U to C were low in fish energy budget equation (Cui et al., 1997), the energy loss through feces at optimum feeding rate could be estimated by 0.077C〓(C〓: the optimum feeding rate) and the energy loss through excretion at optimum feeding rate could be estimated by 0.052C〓. The relationship between total energy content for immature gibel carp and body weight was lnE=1. 476+1. 127lnW.

最大摄食率条件下，异育银鲫排粪能损失：F=0.077C，排泄能损失：U=0.052C；由于排粪能及排泄能在能量收支方程中所占比例不大（崔奕波等，1997），最适摄食率条件下的排粪能损失可估计为F〓=0.077C〓（C〓：最适摄食能，KJ/d），排泄能损失可估计为U〓=0.052C〓；性未成熟异育银鲫的能量含量与体重的关系为：lnE=1.476+1.127lnW

After observing the behavior of Grus grus migration, the daily rhythm and time budget of various behaviors in the crane were revealed. The main behavior is feeding, accounting for 68.11% of the time budget, and the remaining time is spent resting 1.44%, alert 10.33%, walking 11.11%, preening 6.44%, and others 2.56%.

通过对灰鹤秋季迁徙期的行为进行研究得出了在这一时期灰鹤的日行为节律以及时间分配比例，一天中觅食占68.11%、静栖1.44%、警戒10.33%、游走11.11%、理羽6.44%、其他（包括打斗、追逐、鸣叫以及不可见的情况等）2.56%。

Under isocratic elution condition including pH of the buffer solution, separation voltage and the ratio of organic solvent in the buffer solution.

首先以等位冲堤的方式，寻找最佳的实验参数，其参数包含缓冲溶液酸碱值，操作电压及有机修饰剂在缓冲溶液中的比例。

Present multiaxial fatigue life analysis method are discussed, and show that equivalent stress-strain approach based on uniaxial fatigue life analysis method can not predict low-cycle fatigue life under nonproportional cyclic loading.

对现有的多轴疲劳寿命分析方法进行了讨论，论证了以单轴疲劳寿命分析方法为基础的等效应变法不能预测多轴非比例加载下的低周疲劳寿命。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。