variation of the rate

The variation of strain and strain rate during tension were studied according to the displacement field.

研究结果表明：I.根据测得的位移场研究了该高分子材料拉伸过程中应变和应变率的变化以及应力应变变化规律，并对试验结果进行了详细分析。

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The results showed that the diurnal variation of evapotranspiration rate were obvious and single-peak curve under the clear and cloudless term.

结果表明，在晴朗无云的条件下，蒸散速率日变化呈单峰型。

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Hereditary capacity in a broad sense of salt-tolerant induction rate is 97.9%, showing that the variation of induction rate for salt-tolerant mutants mainly depended on genetic variation with less influence of environment.

耐盐性诱导率的广义遗传力为97.9%，说明F1的耐盐突变体诱导率的变异，是以遗传变异为主，受环境影响甚微；

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The variation of evapotranspiration rate has negative relation with water table change, and if the water table lowers greatly Tamarix will die from moisture shortage.

蒸散速率与地下水位变化成反相关关系，地下水位的大幅度下降可能致使柽柳死亡。

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The iner part is rate loop which adopt continuous control policy, the outer part is accelerometer feedback loop which adopt variable structure control law to decrease the effect of parameter variation.

外回路为加速度控制回路，采用变结构控制率，以减小弹体参数摄动对输出加速度的影响。

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The velocity distributing, variation of extension rate, shear rate and the natural convergence angle of the fluid were analyzed under different initial entry pressure.

分析了在不同口模压力（P）下入口区速度分布、延伸应变速率、剪切应变速率以及流体自然收敛角的变化。

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The variation of the flow rate in one flow channel with a machining error of 0.15 m is less than 10% of the average flow rate.

当板间水隙的最大加工误差为0.15mm时，该流道内的流量与流道内平均流量的误差接近10%。

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To study the effect of anti-thyroid drug ( ATD ) on heart rate variation ( HRV ) in patients with Graves disease ( GD ).

目的:探讨 抗 甲状腺药物 ( ATD ) 对毒性弥漫性甲状腺肿即Graves病 ( GD ) 患者治疗前后心率变异性 ( HRV ) 的影响.

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Objective To study the death level of malignant tumor and its variation trend among residents from 1992 to 2001, and predict the death rate in future 5 year.

目的分析1992～2001年哈尔滨市南岗区居民恶性肿瘤死亡水平和变化趋势，预测未来5年死亡率水平。

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The results showed that the diurnal variation of Choerospondias axillaries transpiration rate appeared in parabola, low in the morning and evening, and high at noon.

结果表明，蒸腾速率具有明显的早晚低、中午高的日变化特征，但在不同日期蒸腾速率日变化曲线存在一定差异，且在旱季晚间23：30后仍有茎流现象。

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