在过去二十年中，由于人群对疾病感染的免疫力下降、砍伐森林、城市化、人口流动和气候变化等因素的影响，黄热病病例数呈增加趋势。
The number of yellow fever cases has increased over the past two decades due to declining population immunity to infection, deforestation, urbanization, population movements and climate change.
我们已经确定了几个本地场景，无论从自动化性能数据分析还是到监控趋势变化、异常识别以及提高决策力等等方面，都能从中受益。
We have identified several local scenarios which would benefit from automated analysis of performance data to uncover trends, identify anomalies and improve decisions.
现场钻孔内不同深度EME强度测定结果基本上也呈现出与模拟结果相同的变化趋势，同时证明了力电耦合方法的合理性。
The practical measured results of EME strength have the same changing tendency as the simulated results, which also testify the feasibility of the coupling method between EME strength and stress.
根据北方农牧交错带（定西县1970～2000年）的气候资料，分析了该地区30年来气候变化周期、趋势及其草地气候生产力的变化。
According to climate data(1970~2000) in the northern farming and pastoral area, the climate change cycle, trend and grassland climate productivity about 30 years were analyzed.
再利用修正过的购买力平价理论，测算出人民币的真实汇率，并且具体分析名义汇率、补贴、工资政策与真实汇率的变化趋势。
Then work out the real exchange rate of Renminbi by adjusted purchasing power parity and analyze the nominal exchange rate, subsidy and wage policy's effects on real exchange rate respectively.
通过与试验结果的对比，本文所建立的高速铣削切削力解析模型对切削过程中切削力的变化趋势预测较为准确；
The comparison between cutting force results from this model and that from the experiment validates the veracity and practicability of the cutting force model established.
计算了外荷载作用下各索单元轴力及节点位移的变化趋势。
Under the loads every calbe unit strength of axle and node displacement's variation tendencies are computed.
玉米产量与生产力指数变化趋势基本一致，为一正相关关系。
Trend of corn yield approximately agreed with the productivity index, and there was a positive relationship between them.
组织变迁是适应环境变化、保持效率和竞争力的必然趋势。
Organizational change is an inevitable trend of adapting to environmental change and maintaining efficiency and competitiveness.
超车车辆受到的侧向力、侧倾力矩和横摆力矩在两种间距下的变化趋势有着明显差别。
The variation tendencies of the side force, rolling moment and yawing moment of the overtaking cars by two spaces are different apparently.
攻毒引起的上述抗病力指标的变化趋势与盐度突降相同，但处理组的响应幅度均低于对照，存活率显著降低。
Survival rate of scallops in salinity 20 was significantly lower than that of the control at 10h after challenge.
通过生石灰对膨胀土的改性作用，在相同初始含水率的条件下，比较改性前后膨胀力、膨胀率的变化趋势，寻求最佳掺灰率；
The test results indicate: the beginning water content and dried density of expansive soil are the main outside factors that influence the magnitude of their expansibility and swelling quantity;
通过生石灰对膨胀土的改性作用，在相同初始含水率的条件下，比较改性前后膨胀力、膨胀率的变化趋势，寻求最佳掺灰率；
The test results indicate: the beginning water content and dried density of expansive soil are the main outside factors that influence the magnitude of their expansibility and swelling quantity;
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