四元的

Respectively. The results of regression and calculation of the quaternary system provide fundamental data for designing and optimizing the preparing process of the PSC adduct.

该四元体系Pitzer参数的回归及相平衡的计算，为〓的合成工艺条件研究及工程设计提供了基础数据。

The rear end is characterize by the GT-R's hallmark four-ring taillights, rear spoiler and large, integrated exhaust tips.

后方到底是由定性的gt - r的标志，四元环尾灯，后扰流板和大型，综合性排气小费。

They are 2,3-epoxynopyl acetate,1-hydroxy-2,3-epoxynopyl acetate and 5-hydroxy-2,3-epoxynopyl acetate.The results suggested that the four-ring of nopyl acetate cleaved firstly in th...

分析结果表明反应主要是四元环开裂，并进一步水合，另外伴有少量双键环氧化的产物，这些环氧化的产物还可进一步在C1和C5处发生叔氢氧化。

Type KFMJ-D pneumatic hydraulic multi-functional cardboard laminator is another brand new model developed firstly successfully by our Company on the basis of type A and B, C it is an integration of pneumatic, hydraulic, photoelectric and mechanical technology.

KFMJ-D 型气动液压式多功能卡纸覆面机，是我公司在A型、 B型、 C型的基础上率先开发研制成功，更新换代推出又一代崭新的机型，该机集气动、液压、光电、机械四元为一体。

The algebra of quaternions, the first noncommutative algebra was thus suddenly born.

四元数的代数，第一非交换的代数，就这样在一夜之间诞生了。

The algebra of quaternions, the first noncommutative algebra was thus suddenly born

四元数的代数，第一非交换的代数，就这样突然诞生了。

First, according to the tracking error dynamics and kinematics described by unit quaternion error and angular velocity error, a sliding mode controller is derived based on Lyapunov theory.

首先根据由误差四元数和误差角速度描述的跟踪误差动力学和运动学方程，设计了基于李亚普诺夫方法的滑模变结构控制律。

The concept of Quaternions should be clearly understood.

在四元数的概念应该明确的理解。

The criterion of equality of two quaternions is that their scalar parts shall be equal.

两个四元数相等的准则是，它们的数量部分相等。

The second argument that is commonly given for the use of quaternions is the possibility of smoothly interpolating between two orientations.

使用四元数的第二个理由，就是其可实现两个状态间的平滑插值。

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。