通过追踪从用例到业务用例、特性需求、测试，或者甚至其它用例，你可以更容易地衡量相关需求的变化所带来的影响，并验证覆盖率。
By tracing use cases to business requirements, feature-level requirements, tests, or even other use cases you can more easily measure the impact of change on related requirements and verify coverage.
我也希望如果在药物帮助下抑郁有所改观的话，那么也感到看到压力减少的相关变化，这同样会对减少痘痘的发作率。
I'm also hopeful that if the change in depression medication helps, that maybe I'll see a correlating change with reduced stress levels [that] maybe reduce acne as well.
2010年，世界各地艾滋病毒流行情况和当地的应对各有不同，相关趋势、进展率和结果也发生了变化。
In 2010, HIV epidemics and responses in different parts of the world vary with shifting trends, progress rates and outcomes.
总的来说，税和补贴以符合预期的方式影响着消费，税的规模与消费、体重和发病率出现重大变化的程度呈现正相关关系。
In general, taxes and subsidies influenced consumption in the desired direction, with larger taxes being associated with more significant changes in consumption, body weight and disease incidence.
在年龄相关组中生存率曲线呈现了斜坡式的变化，显示更年轻的妇女有更好的预后（表3.2）。
There is a steep gradient in survival by age, with younger women having a better prognosis (Figure 3.2).
利用线性分析方法和相关分析方法，分析了濮阳近50年地面温度的变化倾向率及成因。
With the methods of linear analysis and correlation analysis, the tendency rate of the ground temperature for about 50 years in Puyang and the causes are analyzed.
结果表明：气泡是影响分选精度的重要因素，其体积分率的变化与床层密度波动密切相关。
The result shows that the bubble is an important factor influencing coal separation, and the variation of its volume fraction is closely related to the variation of density of ADMFB.
全院范围内医疗护理相关感染流行率在2.5%到14.8%之间变化;其中外科病房中,累积感染发生率为5.7%-45.8%。
The hospital-wide prevalence of HAI varied between 2.5% and 14.8%; in surgical wards, the cumulative incidence ranged from 5.7% to 45.8%.
同时，分别以鼠密度、灭鼠率的变化与鼠传疾病发病率进行相关系数分析。
The correlation coefficients of rat density, deratization rates and the incidence of rat transmissible diseases were calculated.
从儿童癌因性疲乏定义的描述、发生率及变化形式、相关因素和护理干预等方面，对儿童癌因性疲乏的研究进展进行综述。
It introduced the research progress on fatigue of children caused by carcinoma in abroad from aspects of definition, description, incidence, alteration forms, related factors and nursing intervention.
相关研究表明：在多数情况下，动态变化的网络带宽和丢包率是影响视频流化质量的关键因素。
Some related studies have demonstrated that in many cases, the fluctuation of network bandwidth and packet loss rate are two key factors that influence the quality of video streaming.
培养基的电导率变化与毛状根的生物量积累呈线性相关。
The medium conductivity decreased linearly relative to the biomass accumulation.
目的探讨分娩方式变化及其与新生儿死亡率、重度窒息率的相关性。
Objective To investigate the mode of delivery and its relationship with neonatal mortality, the rate of severe asphyxia relevance.
理论分析发现，随着过采样率的增加，采样点之间相关性上升，新增加采样点对信号峰值平均功率比的影响下降，系统峰值平均功率比的变化缓慢并趋于稳定。
We can find that correlation value between sampled points ascends and the influence that the new sampled point acts on PAPR decreases with the increase of the oversampling rate.
液化产物粘度的变化与液化得率基本上呈负相关性。
The changes of viscosity were inverse correlative with liquefaction yield.
这种相关性与顶部的黄土堆积刚好相反，反映了二者之间磁化率不同的变化机制。
This correlation is contrast to the loess deposits on top of profile, which shows the mechanism of magnetic response towards paleoclimate changes in lacustrine sediments is unlike that in loess.
血钾的降低与皮质酮的转化率及尿中A/B值的变化成正相关。
The reduction in serum potassium was positively correlated with the lowering of A/B ratio and the conversion of B to A (P< 0.01).
通过对模型的仿真分析发现，EC-5传感器测得的土壤水分含量随温度变化的趋势与土壤电导率密切相关。
The simulation based on the model shows that the variation tendency of soil moisture content with temperature measured by the EC-5 sensor is closely related to the soil electrical conductivity.
通过对配体生物活性的探测，发现粒子电泳迁移率(pem)的变化与固定在颗粒上的配体数量密切相关。
Particle electrophoretic mobility (PEM) changes are shown to correlate well with the amount of ligand fixed on the particles, as probed by its biological activity.
在给定电子温度和密度剖面下，给出了杂质离子辐射率随时间和电子温度变化的计算结果，并讨论了相关物理过程。
The radiated power of impurity ions varying with time and electron temperature for given the profiles of electron temperature and density is calculated, and the corresponding physics is discussed.
鲜出肉率的变化与性腺发育具有明显的相关性，产卵前达到最大，为45.3%。
The fresh meat weight increased with the development of gonad and the maximum is 45.3% before spawning.
讨论了血管形状分布，血液灌注率，代谢热与生物体三维温度场变化规律的相关性。
The correlation of vessel distribution, blood perfusion rate and metabolic heat generation to biological 3-D temperature distribution was also discussed.
以苏打饼干单片和单包为研究对象，应用破损边界理论，设计相关实验，测试饼干在不同破损率条件下各个方位的速度变化及加速度，构造出饼干的破损边界曲线。
Tests was carried out on cookies both in single and package unit to measure its velocity change and acceleration in different orientation in different damage rate based on damage boundary theory.
试验结果还表明：正冻土温度变化速率与其初始含水率间存在反相关性，而正融土温度变化速率与其初始含水率间无单调相关性。
It was also shown that there was an inverse correlation between the speed of temperature variation and the initial water content for freezing soil, but no monotonic correlation for the thawing soil.
同时分析了垂直风速标准差，发现其有明显的日变化特征，并且与大气折射率结构常数有很好的相关性。
Also it is found that the standard deviation of vertical velocity is relative to the refractive -index structure constant well.
故净资产收益率、销售利润率的变化同CPI、M_1的变化相关性也变得较权益乘数、资产负债率差。
So, compared with the rights multiple and the property liabilities rate, the relativity between the change of rate of earning, the sale profit, and the change of the CPI and the M_1 becomes less.
结果表明，断层面与层面的夹角变化率是控制断层相关裂隙空间的主控因素。
The result indicates that the derivative of the Angle between the fault and the bedding surface is the major control factor on the development of fracture pore space associated with fault.
测定了反应过程中碳化率和电导率的相关变化。
The variation of carbonation rate and electric conductivity of the reaction solution were measured in reaction process.
测定了反应过程中碳化率和电导率的相关变化。
The variation of carbonation rate and electric conductivity of the reaction solution were measured in reaction process.
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