多变化的

It is found that there are good relationships between the fundamental frequencies and the structural properties of straight-chain alkanes, and between the sum-frequencies and the additivity properties of straight-chain alkanes as well.

将直链烷烃分子看成是一个多自由度振动系统，用机械振动理论中的传递矩阵法计算了 C2~C32直链烷烃的固有频率，分析了固有频率随化合物结构单元的变化规律。

Likewise the aromatization of testosterone to estradiol may be beneficial in preventing a more dramatic change in serum cholesterol due to the presence of the hormone.

同样的芳构化的睾丸激素以雌二醇可能有利于防止更多的戏剧性变化血清胆固醇因激素。

The MSLA data (1993-01~2007-05) from AVISO is used to analyze the seasonal variability of SLA in the studied area (15°~20°N, 113°~121°E).

利用AVISO提供的1993年1月至2007年5月的多卫星融合海面高度距平数据，对研究区域(15°~20°N， 113°~121°E)SLA的季节变化特征进行了分析。

This could be due to changes in how autism is diagnosed, or it could be more children are being born with the disorder.

这种情况可能是由于孤独症诊断方式的变化带来的，也可能是更多的孩子生来就得病了。

But as a complex thermodynamic system, VAV system has many disturbances and is not easy to calculate its parameters.

但是变风量空调系统是一个复杂的热力系统，所受干扰多，对象的参数易于变化且难以确定。

Objective To observe the changes of Auditory evoked potential index during endotracheal intubation and whether intravenous administration of lidocaine and tetracaine surface anesthesia could affect this change.

目的 观察听觉诱发电位指数(Auditory Evoked Potential Index，AEPI)在全麻气管插管过程中的变化及静脉注射利多卡因或地卡因喷喉对气管插管反应的影响。

The model has also evolved to offer more performance, more technology and more customisation options.

该模型也发生了变化，以提供更高的性能，更多的技术和其他自定义选项。

Based on data from the dust storm monitoring station over Hunshandake Desert Area, Inner Mongolia, the maximum values of micrometeorological variables, turbulent fluxes and dust concentration in the surface layer are compared for eight dust events in the spring of 2004, and the characteristics of micrometeorology and radiation components in the strongest dust storm event in March 27-28 are analyzed.

利用内蒙古浑善达克沙地沙尘暴实验探测资料，给出2004年春季多次沙尘天气过程近地面微气象学要素、湍流通量及沙尘浓度的极值对比，重点分析了3月27-28日强沙尘暴过境时近地面微气象学要素和辐射分量的变化特征。

Of course, variations from different loudspeakers are a factor too.

当然，变化是从不同的扬声器的一个因素太多。

For Anaximenes, the basic principle was air, which assumed other forms through "condensation" and "rarefaction," and for Heraclitus, whose thoery stressed flux and change, it was five (an emphasis adopted by the Stoics).

对于阿那克西曼尼而言，他认为基本起源是气——以&凝聚&或&稀薄&的方式呈现为其他元素。而赫拉克利特的理论强调流动和变化，算是第五种元素（这一观点后来被斯多噶学派所吸收

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。