两元

Therefore, it is reasonable that the influence of pressure on the activity coefficients and the ratio of the molar volume change in the liquid can be neglected.

由此近似忽略压力对二元体系摩尔体积的变化率以及对各组元在固液两相的活度系数的影响。

The availability of determining the ratio of cucurbiturils inclusion complexes with the equivalent molarity was discussed.

讨论了等摩尔连续变化法测定瓜环包结配合物包结比的理论依据，并利用紫外吸收光谱和荧光光谱测定了七、八元瓜环(Q [7]，Q[8])与α-萘胺(q1)、β-萘胺(q1)两种异物体相互作用形成包结配合物的包结比。

The Principal Component Analysis and Partial Least Square Regression methods are applied to batch process monitoring and fault diagnosis, and the two types of multivariate statistics~SPE, Hotelling T2 梐re systematically defined and analyzed.

2将主元分析和偏最小二乘回归分析的方法引入到间歇过程监控和故障诊断中，详细介绍了监控间歇过程的两个统计量SPE、Hotelling T~2。

Group has two research institutes and more than 30 holding subsidiaries, the net assets of 360 million yuan.

集团下属有两个研究所和三十多个控股子公司，净资产3.6亿元。

My boss told me that the net loss of the first two quarters amounted to 100 million dollars.

我老板跟我说，前两季的净亏损累计达一亿元。

If the node to buy two packages of 105 yuan.

如果买两个景区的套票为105元。

Furthermore, this paper presents a courseware standardization model based on XML. Faced with so many nonstandard courseware, this model which aims at attaining the two criteria, i.e. IMS and CELTS, makes full use of XML technology to realize courseware resource standardization from two aspects, i.e. courseware resource meta-data and content packaging.

在此基础上本文提出了一种基于XML的课件资源规范化模型，该模型以IMSCELTS规范为目标，针对目前大量存在的非标准课件，充分利用XML技术，分别从课件资源元数据标识和课件内容包装两个方面来实现课件资源的规范化。

In addition, Hami and Lop Nur in the railway construction has also started construction in July this year, the railway length of 390 kilometers, is expected to invest 2.5 billion, two-year construction period.

此外，哈密和罗布泊的铁路建设也已开始建设，在今年7月，在铁路长度390公里，预计投资2.5亿元，两年的建设期。

Then, I said I had $12,000 worth of improvements in the past two years.

然后，我说我有12，000元的改善，在过去的两年。

Wavelength calibration coefficients were calculated through regression analysis after several ordinal numbers of CCD's pixels corresponding to Mercury-Argon Lamp's spectral lines were measured. The residuals of certain spectral lines were computed using the coefficients measured and the ones from factory, the degree of fitting for regression equation was estimated using the new coefficients. The final results validated the wavelength calibration model.

在测量了多条光谱线对应的CCD像元的序数之后，使用回归分析得到波长定标的系数，连同光谱仪出厂时的波长定标系数，计算出了两组定标系数在给定的一些谱线位置处的残差，并利用实验所得的系数对回归方程进行了拟合优度检验，结果表明波长定标模型是有效的。

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。